Network Engineer – AlgoSec

🏢 Summary: Remote Network & Security Engineer role focused on designing, deploying, and supporting secure multisite network infrastructures with high availability and resilience. The position involves implementing SASE, SD-WAN, Zero Trust segmentation, and modernizing LAN/WAN environments while ensuring operational continuity. The engineer will also handle advanced troubleshooting and Level 2/3 support across distributed environments. 🗂️ Requirements: Minimum 7 years of experience in Network/Security engineering, Strong expertise in network security and firewall administration, Solid knowledge of routing and switching (VLAN, STP, OSPF/BGP), Experience with multisite architectures and WAN interconnections, Proven experience deploying end-to-end network and security solutions, Ability to provide Level 2/3 support for complex incidents, Experience delivering technical projects in multi-site environments, Proficiency with monitoring tools and flow analysis 📃 Skills: SASE, SD-WAN, LAN, WAN, VLAN, STP, OSPF, BGP, VPN, Wi-Fi, Firewall, ZeroTrust, Microsegmentation, Switching, Routing, Monitoring 🏢 Description: Project Information: Work model: remote Onboarding: onside (France) Salary range: up to 260€/day on B2B We’re looking for a Network & Security Engineer ready to operate at the core of a distributed, multisite infrastructure with high expectations around availability, resilience, and cybersecurity . You will play a key role in evolving network architectures, securing interconnections, managing firewalls, and deploying technical solutions across all our locations. Main Responsibilities Participate in the deployment and go-live of new network & security solutions (SASE) . Implement new sites, migrate legacy architectures, modernize LAN/WAN, deploy Zero Trust segmentation . Contribute to major projects: SD-WAN, micro-segmentation, secure Wi-Fi enhancement , etc. Produce high-quality documentation: project docs, procedures, operational guides, failover plans. Handle Level 2/3 support for complex network and security incidents. Ensure operational continuity for infrastructures (switching, routing, Wi-Fi, VPN, security). Maintain configuration consistency across all sites. Key Requirements Strong expertise in network security and firewall administration . Solid command of routing & switching : VLAN, STP, OSPF/BGP (preferred). Deep understanding of multisite architectures and WAN interconnections . Proven experience deploying end-to-end network & security solutions . Mastery of monitoring tools, flow analysis, and advanced troubleshooting. Minimum 7 years in a Network/Security engineering role. Hands-on experience delivering technical projects, ideally in multi-site environments .

🏢 Summary: The role focuses on administering and evolving network and security infrastructures across multi-site environments, ensuring high availability, resilience, and cybersecurity. It involves advanced firewall management, deployment of SASE and SD-WAN solutions, Zero Trust segmentation, and modernization of LAN/WAN architectures. The consultant also handles complex incident response and contributes to large-scale network transformation projects. 🗂️ Requirements: Minimum 7 years experience in Network/Security engineering, Strong expertise in network security and firewall administration, Proven experience with multisite network architectures and WAN interconnections, Hands-on experience deploying end-to-end network and security solutions, Solid knowledge of routing and switching (VLAN, STP, OSPF, BGP), Experience with monitoring tools and advanced network troubleshooting, Ability to handle Level 2/3 network and security incidents 📃 Skills: Fortinet, PaloAlto, CiscoASA, SASE, SD-WAN, LAN, WAN, VLAN, STP, OSPF, BGP, VPN, Wi-Fi, ZeroTrust, Microsegmentation, Firewall, Routing, Switching 🏢 Description: Summary: The Network & Security Consultant will operate within a distributed infrastructure, focusing on enhancing availability, resilience, and cybersecurity. This role is pivotal in evolving network architectures, securing interconnections, and deploying technical solutions across multiple locations. Main Responsibilities: Advanced administration of firewalls (Fortinet, Palo Alto, Cisco ASA, or equivalent) in on-premises and cloud environments. Rule management, hardening, network segmentation, application filtering, SSL inspection. Detection, analysis, and remediation of network security incidents. Participate in the deployment and go-live of new network & security solutions (SASE). Implement new sites, migrate legacy architectures, modernize LAN/WAN, deploy Zero Trust segmentation. Contribute to major projects: SD-WAN, micro-segmentation, secure Wi-Fi enhancement, etc. Produce high-quality documentation: project docs, procedures, operational guides, failover plans. Handle Level 2/3 support for complex network and security incidents. Ensure operational continuity for infrastructures (switching, routing, Wi-Fi, VPN, security). Maintain configuration consistency across all sites. Key Requirements: Strong expertise in network security and firewall administration. Solid command of routing & switching: VLAN, STP, OSPF/BGP (preferred). Deep understanding of multisite architectures and WAN interconnections. Proven experience deploying end-to-end network & security solutions. Mastery of monitoring tools, flow analysis, and advanced troubleshooting. Minimum 7 years in a Network/Security engineering role. Hands-on experience delivering technical projects, ideally in multi-site environments. Other Details: Location: Remote work possible. Travel: One trip per month (2 days) to Clermont-Ferrand expected.

🏢 Summary: The role involves maintaining and updating a large-scale firewall environment to ensure network security and stability. Responsibilities include planning and executing firewall updates, handling change requests, and performing firewall service operations. The position requires strong expertise in Fortinet and Checkpoint technologies within a structured change management process. 🗂️ Requirements: Very good networking knowledge, Strong expertise in Fortinet technologies, Strong expertise in Checkpoint technologies, Experience with GitLab, Experience with Ansible, Experience managing firewall updates and rule changes, Ability to prepare and execute technical change requests 📃 Skills: Networking, Fortinet, Checkpoint, GitLab, Ansible, Firewalls, TCP/IP 🏢 Description: Introduction & Summary: This role focuses on maintaining the security and functionality of a large firewall environment through regular updates, addressing vulnerabilities, and executing service requests efficiently to safeguard network integrity. The ideal candidate will possess very good networking knowledge and excellent know-how in Fortinet and Checkpoint technologies. Main Responsibilities: Technical planning of updates. Preparation of necessary activities and creation of change requests. If required, present the activities in various Change Advisory Boards. Execution and post-implementation review of updates. Execution of firewall service orders (e.g., firewall rule activations and deletions). Key Requirements: Very good networking knowledge. Excellent know-how in Fortinet and Checkpoint technologies . Knowledge of GitLab and Ansible. High commitment to the quality of work. Experience in dealing with internal and external customers. Good communication skills. Nice to Have: Experience in a banking-regulated environment Willingness to work outside normal hours (evenings and weekends) German language skills Other Details: Start date: 01.05.2026 Service period: Long-term

🏢 Summary: The offer is for a Network Security Analyst responsible for operational firewall support, including rule implementation, policy optimization, VPN configuration, and security compliance activities. The role focuses on managing and validating firewall changes, supporting audits and incident investigations, and ensuring secure network segmentation. It involves hands-on work with multiple firewall technologies and close coordination with technical stakeholders. 🗂️ Requirements: Minimum 3+ years of experience in network security, Hands-on experience with FortiGate and FortiManager, Hands-on experience with CheckPoint firewalls, Experience with JunosSpace and FAZ, Experience implementing and validating firewall rules, Knowledge of IP subnetting and routing basics, Understanding of TCP and UDP protocols, Knowledge of NAT and VPN technologies, Experience with firewall log and flow analysis, Understanding of DPI and AppID concepts, Experience configuring IPsec VPN tunnels, Familiarity with SIEM tools, Experience with ITSM tools such as ServiceNow, Knowledge of network segmentation and ZeroTrust principles 📃 Skills: FortiGate, FortiManager, CheckPoint, JunosSpace, FAZ, TCP, UDP, NAT, VPN, IPsec, DPI, AppID, Subnetting, Routing, SIEM, ServiceNow, Excel, PowerBI, ITSM, Segmentation, ZeroTrust, Firewalls 🏢 Description: Minimum : 3+ Year Experience Technical requirements: FortiGate , Forti Manager , Checkpoint , Junos Space , FAZ – expertise: Flow Implementation , Firewall log/flow analysis (Check Point, Fortinet), IP subnetting, routing basics, TCP/UDP, DPI/APP-ID concepts, NAT, VPN Tools : SIEM basics, packet capture utilities, Excel/Power BI (preferred), ITSM (e.g., ServiceNow), collaboration tools. Security : Familiarity with segmentation (IT/OT/LAB/SHOP FLOOR), Zero Trust principles, and policy standardization. Soft Skills : Clear documentation, stakeholder communication, and attention to detail The Network Security Analyst is an operational support team member responsible for firewalls under his/her scope: Implement flows or rules on firewalls. Perform logical post-validation after implementation. Review and optimize firewall policies. Support security compliance and audits. Configure and coordinate IPSEC VPN tunnels end-to-end. Manage firewall policies and ensure compliance. Support security incident investigations. Handle emergency business requests for flow openings with priority. Regular interactions with: IS&T E2E PM, Local IS&T Business Partners, Solution Architects, Functional Teams, Business End Users, and Operations Teams.

🏢 Summary: The role involves managing and securing a large-scale firewall environment by planning and executing updates, handling service requests, and ensuring network integrity. The position includes technical preparation, change management activities, and implementation reviews within a structured change process. The focus is on maintaining high security standards and efficient firewall operations. 🗂️ Requirements: Very good networking knowledge, Strong experience with Fortinet, Strong experience with Checkpoint, Knowledge of GitLab, Knowledge of Ansible, Experience with firewall rule management, Experience with change management processes, Ability to execute and review system updates 📃 Skills: Networking, Fortinet, Checkpoint, GitLab, Ansible, Firewalls 🏢 Description: Summary: The role focuses on maintaining the security and functionality of a large firewall environment through regular updates, addressing vulnerabilities, and executing service requests efficiently to safeguard network integrity. Main Responsibilities: Technical planning of updates Preparation of necessary activities and creation of change requests If required, presenting the activities in various Change Advisory Boards Execution and post-implementation review of updates Execution of firewall service orders (e.g., firewall rule activations and deletions) Key Requirements: Very good networking knowledge Excellent know-how in Fortinet and Checkpoint technologies Knowledge of GitLab and Ansible High commitment to the quality of work Experience in dealing with internal and external customers Good communication skills Nice to Have: Experience in a banking-regulated environment Willingness to work outside normal hours (evenings and weekends) German language skills - is a plus

🏢 Summary: The offer is for a Network Engineer responsible for designing, maintaining, and securing LAN, WAN, and VPN infrastructures across on-premise and cloud environments. The role focuses on high availability, network security, traffic analysis, and troubleshooting complex L2/L3 issues. The position involves participation in infrastructure projects, architecture reviews, and incident response for critical systems. 🗂️ Requirements: Minimum 3 years of experience in network administration and design, Strong knowledge of LAN, WAN, VPN, routing, VLAN, QoS, Hands-on experience with enterprise network devices, Knowledge of network security practices (segmentation, ACL, firewall, IPS/IDS), Ability to analyze network traffic and troubleshoot complex issues, Experience in infrastructure and cross-functional projects, Ability to work during incidents and under time pressure, Good technical English 📃 Skills: LAN, WAN, VPN, Routing, VLAN, QoS, ACL, Firewall, IPS, IDS, Switching, LoadBalancing, NetworkMonitoring 🏢 Description: Tasks Design and maintain LAN, WAN, and VPN topologies across on-premise and cloud environments. Configure and administer routers, switches, firewalls, and load balancers. Ensure high availability and redundancy of network infrastructure for critical systems. Diagnose L2/L3 issues, analyze traffic, and optimize routing, VLAN, QoS, and segmentation. Implement network security controls including ACLs, firewall policies, IPS/IDS, and trust zone isolation. Collaborate with IT and security teams on migrations, new deployments, and architecture changes. Participate in delivery projects as a network expert, including capacity estimation and architecture reviews. Configure network monitoring tools, analyze logs and packets, and restore connectivity during incidents. Requirements At least 3 years of experience in network administration and design. Strong knowledge of LAN/WAN/VPN, routing, VLAN, and QoS concepts. Hands-on experience with enterprise-grade network devices. Knowledge of network security practices (segmentation, ACL, firewall, IPS/IDS). Ability to analyze traffic and troubleshoot complex performance issues. Experience working cross-functionally on infrastructure projects. Ability to operate effectively during incidents and under time pressure. Good technical English. Nice to Have Network or security certifications (e.g., CCNA/CCNP, Fortinet, Palo Alto). Experience with hybrid infrastructure and multi-site connectivity. Familiarity with network monitoring and observability tooling. Experience in mission-critical environments. We Offer Work on high-availability infrastructure and critical network security. Real influence on networking standards and system communication architecture. Growth opportunities in Network and Security specialization. Stable employment in a modern company with a well-established market position. An attractive salary and benefits package (including private medical care and a sports card).

🏢 Summary: The offer is for a Network Automation / DevOps Engineer responsible for transforming a global, high-availability financial network into a highly automated, observable, and self-service platform. The role focuses on building advanced telemetry, monitoring, and infrastructure automation solutions in a low-latency capital markets environment. It combines deep networking expertise with Infrastructure as Code and cloud integration. 🗂️ Requirements: Experience with modern monitoring and telemetry stacks, Hands-on experience with network automation tools, Proficiency in Python programming, Experience with Infrastructure as Code, Knowledge of NETCONF or RESTCONF, Strong understanding of BGP, OSPF, PIM, IGMP, Experience with AWS networking, Ability to perform deep packet analysis, Experience managing multi-vendor network environments, Willingness to participate in 24/7 on-call rotation 📃 Skills: Python, Git, Ansible, Jinja, Terraform, Netbox, Temporal, Prometheus, Grafana, Telegraf, gNMI, YANG, NETCONF, RESTCONF, BGP, OSPF, PIM, IGMP, AWS, Cisco 🏢 Description: Location: Warsaw, Poland (City Centre, near Rondo ONZ) — Hybrid model (3 days a week in the office, 2 days remote) Contract Type: Permanent (Umowa o Pracę) About the Role & Project: We are recruiting for our client – a rapidly growing, global financial institution operating in the capital markets. We are looking for an engineer eager to bridge the gap between traditional network engineering and modern DevOps practices. This is not a role for a traditional network administrator. We are seeking a specialist whose default approach to repetitive tasks is automation, and who is passionate about building advanced telemetry and monitoring systems. Your mission will be to transform a global, high-availability infrastructure into a self-service, highly observable platform. If you thrive in environments where system stability and milliseconds directly impact business outcomes, and where manual intervention is treated as a problem to be solved with code, this is the team for you. Key Responsibilities: Design, implement, and maintain advanced telemetry, monitoring, and predictive alerting systems for a global, high-availability network. Develop, scale, and maintain automation tools to streamline network workflows (from automated provisioning to zero-touch deployments). Collaborate closely with engineering and investment teams to align network performance with dynamic business and trading requirements. Define, implement, and maintain configuration standards across a robust multi-vendor environment. Serve as the senior escalation point for troubleshooting and resolving complex performance and routing anomalies. Participate in a 24/7 on-call rotation and scheduled out-of-hours maintenance windows. Technical Profile (Technical Fit): Observability-First Mindset: Practical experience with modern monitoring stacks, telemetry protocols, and metrics collection (Prometheus, Grafana, Telegraf, gNMI, YANG, Cisco Telemetry). Automation as a Standard: Strong hands-on experience with automation tools and frameworks such as Ansible, Jinja, Terraform, Netbox, and workflow engines (e.g., Temporal). Infrastructure as Code (IaC) & Dev Skills: Proficiency in Python and Git, with experience managing network configurations programmatically (NETCONF/RESTCONF). Core Networking Foundations: Solid understanding of routing protocols and multicast environments (BGP, OSPF, PIM, IGMP). Public Cloud Integration: Practical knowledge of building and managing cloud network infrastructure (AWS). Advanced Troubleshooting: Ability to perform deep-packet analysis and diagnose complex, transient network issues under pressure. Personal Attributes (Cultural Fit): A continuous learning mindset with a drive to proactively identify and optimize inefficient processes. Ability to work independently, taking ownership of projects and delivering them on schedule with minimal supervision. Excellent communication and collaboration skills, comfortable working in a fast-paced, international team. Strong analytical thinking and decision-making skills under pressure. Bonus Points: Experience integrating enterprise-grade VoIP and cloud collaboration systems. Familiarity with network security, identity management, and segmentation solutions (e.g., Cisco ISE). A basic understanding of financial markets, trading lifecycles, or quantitative trading environments. What We Offer: Stable Employment: Full-time employment contract (Umowa o Pracę - UoP). Tax Optimization: Eligibility for creative tax-deductible costs (KUP - Koszty Uzyskania Przychodu). Financial Reward: Highly competitive base salary accompanied by a generous annual performance bonus. Comprehensive Health: Premium private medical care package that fully includes dental coverage (stomatologia). Wellness & Lifestyle: MultiSport card to keep you active and healthy. Daily Perks: Pre-funded lunch card for your daily meals.

🏢 Summary: The offer is for a DevOps/Network Engineer role focused on designing and securing scalable network architectures across cloud and hybrid environments. The position involves automating infrastructure with IaC tools, managing cloud networking components, and integrating security into CI/CD pipelines. The role also includes monitoring, incident response, and supporting compliance and infrastructure hardening efforts. 🗂️ Requirements: Minimum 3 years experience in DevOps, Infrastructure, or Network Engineering, Hands-on experience with cloud networking in AWS, Azure, or GCP, Experience with Infrastructure as Code tools, Knowledge of CI/CD pipelines and DevOps practices, Experience with monitoring, logging, and alerting tools, Understanding of IAM and network security best practices, Ability to manage VPCs, VPNs, load balancers, and firewalls 📃 Skills: AWS, Azure, GCP, Terraform, Ansible, CICD, IAM, VPC, VPN, Firewalls, LoadBalancers, Kubernetes, ISO27001, SOC2, Monitoring, Logging 🏢 Description: Tasks Design and implement secure and scalable network architectures across cloud and hybrid environments Automate infrastructure using IaC tools (Terraform, Ansible) Manage and secure VPCs, VPNs, load balancers, and firewalls Ensure network segmentation and access control best practices Support CI/CD pipelines and integrate basic security mechanisms (e.g., secret handling) Monitor traffic, logs, and performance; respond to incidents Collaborate with security teams on infrastructure hardening Support compliance requirements (e.g., ISO 27001, SOC 2) Requirements At least 3 years of experience in DevOps, Infrastructure, or Network Engineering Hands-on experience with cloud networking (AWS / Azure / GCP) Experience with Infrastructure as Code and automation tools Knowledge of CI/CD pipelines and DevOps practices Ability to work with monitoring, logging, and alerting tools Basic understanding of security best practices (IAM, network security) Very good command of English (B2+/C1), both written and spoken Nice to have Experience with Kubernetes networking Exposure to security tools or vulnerability scanning Cloud or networking certifications (e.g., AWS, CCNA)

🏢 Summary: Backend-focused contract role to develop and maintain high-performance, reliable systems with strong cloud and containerization practices. The position involves close collaboration with frontend teams to ensure seamless data integration and efficient deployment on AWS. Initial 6-month B2B contract with remote work and periodic travel. 🗂️ Requirements: Proficiency in Python, Experience with backend frameworks, Experience with Pandas, Knowledge of Docker, Knowledge of Kubernetes, Hands-on experience with AWS services (Lambda, EC2, ECS, EKS), Basic knowledge of Terraform, English level B2+ 📃 Skills: Python, Pandas, Docker, Kubernetes, AWS, Lambda, EC2, ECS, EKS, Terraform, Temporal, Camunda, StepFunctions, Pymocks 🏢 Description: Project Information: Start : ASAP Rate : up to 200 PLN/h Type of contract : B2B Length of the project : first contract for 6 months Location : remote Business travels : one trip to Frankfurt per 3 months Languages : English on minimum B2+ level; German - nice to have Summary: This role focuses on developing and maintaining robust backend systems to ensure high performance and reliability while collaborating closely with frontend teams for seamless data integration. Main Responsibilities: Develop and maintain backend systems with a focus on performance and reliability. Collaborate closely with frontend teams to ensure smooth data flow and integration. Build and manage containerized applications using tools like Docker and Kubernetes. Utilize cloud services, particularly AWS, to deploy and operate applications efficiently. Key Requirements: Proficiency in a general-purpose programming language, preferably Python. Experience with backend and data-science frameworks, specifically Pandas. Solid understanding of containerization technologies, including Docker and Kubernetes. Hands-on experience with AWS cloud services like Lambda, EC2, ECS, and EKS. Basic knowledge of Terraform. Nice to Have: Knowledge of business process modeling or workflow orchestration tools such as Temporal, Camunda, or AWS Step Functions. Experience working with mocking frameworks like pymocks.

🏢 Summary: Senior-level role responsible for designing, deploying, and supporting Palo Alto Networks firewall solutions across a global enterprise infrastructure. The position acts as the subject matter expert, ensuring high availability, security compliance, and advanced troubleshooting of complex firewall environments. 🗂️ Requirements: Bachelor's degree in IT, Cybersecurity, Network Engineering or related field, 8+ years of experience in network security, Extensive hands-on experience with Palo Alto firewalls, Deep knowledge of PAN-OS and Panorama, Strong expertise in security policies, VPNs and threat prevention, Strong understanding of networking protocols and concepts, Ability to design and integrate enterprise firewall solutions 📃 Skills: PaloAlto, PANOS, Panorama, Firewalls, VPN, TCPIP, BGP, OSPF, NAT, VLAN, PCNSE, Networking 🏢 Description: Summary: The Palo Alto Expert is responsible for the design, deployment, configuration, and ongoing support of Palo Alto Networks firewall solutions across Syensqo's global infrastructure. This role ensures robust network security, high availability, and compliance with internal and external requirements, acting as the subject matter expert (SME) for Palo Alto firewall technologies. Responsibilities: Lead the architecture, deployment, and configuration of Palo Alto firewalls (physical and virtual) in enterprise environments. Develop and maintain technical documentation, including network diagrams, implementation guides, and standard operating procedures. Integrate firewall solutions with existing network and security infrastructure, ensuring alignment with business and security objectives. Provide advanced technical support for Palo Alto firewall environments, including incident response, root cause analysis, and performance optimization. Serve as the escalation point for complex firewall-related issues. Monitor firewall health, performance, and security, proactively addressing potential risks and outages. Stay current with Palo Alto Networks product updates, threat intelligence, and industry best practices. Recommend and implement enhancements to improve network security, reliability, and operational efficiency. Conduct knowledge transfer and training sessions for IT staff and end-users support group. Ensure firewall deployments comply with Syensqo's security policies and relevant regulatory requirements. Support audits, risk assessments, and documentation reviews as needed. Must Haves: Bachelor's degree in Information Technology, Cybersecurity, Network Engineering, or related field (or equivalent experience). 8+ years of experience in network security, with significant hands-on experience in Palo Alto firewall solutions. Deep expertise in Palo Alto Networks firewalls (PAN-OS), Panorama management, security policies, VPNs, and threat prevention features. Strong understanding of networking protocols (TCP/IP, BGP, OSPF, NAT, VLANs, VPNs). Relevant certifications (e.g., Palo Alto Networks Certified Network Security Engineer - PCNSE) are highly desirable. Nice to Haves: Experience with cloud security and integration (AWS, Azure, Google Cloud) is a plus. Excellent analytical, troubleshooting, and communication skills. Ability to work independently and collaboratively in a global team environment. Other Details: Location: Global team environment. Team Structure: Part of a larger IT organization focusing on network security. Reason (Must Have): Bachelor's degree: Necessary to ensure foundational knowledge in IT and networking, essential for design and implementation responsibilities. 8+ years of experience: Critical for understanding complex network security issues and for providing advanced support. Deep expertise in Palo Alto Networks: Ensures the ability to effectively troubleshoot and optimize firewalls as part of the support role. Strong understanding of networking protocols: Important for integrating firewalls with existing networking infrastructure. Reason (Nice to Have): Cloud security experience: Enhances the ability to secure integrations in cloud environments, aligning with modern business needs. Excellent analytical skills: Supports effective troubleshooting and decision-making in a dynamic environment. Ability to work collaboratively: Fosters better teamwork and knowledge sharing within a global team. Trust Score: High. Evidence: Detailed responsibilities and specific technology requirements provided, facilitating precise candidate searches. Sourcing Guidance: The job description provides good technical clarity for sourcing. Consider these potential recommendations to enhance the search: Recommendation: Search for candidates with cloud security experience alongside Palo Alto firewall expertise. Rationale: This combination is increasingly relevant as businesses migrate to the cloud, and candidates with both skills can address a broader range of security challenges. Recommendation: Look for candidates who have experience in environments using a blend of traditional and cloud-based security tools. Rationale: Such candidates will likely have a more holistic understanding of security strategies in diverse environments. Recommendation: Evaluate candidates with experience in regulatory compliance related to network security. Rationale: This will ensure the candidate can navigate not only technical aspects but also compliance requirements effectively.