Firewall Specialist

🏢 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: B2B role in the finance sector for a Network/Infrastructure specialist with strong AlgoSec and firewall expertise, working in a hybrid model. The position focuses on firewall management, network architecture, security optimization, and direct collaboration with clients to improve firewall rule compliance. The project requires hands-on configuration, troubleshooting, and performance optimization of enterprise network environments. 🗂️ Requirements: Hands-on experience with firewall technologies, Experience with CheckPoint firewalls, Proven experience with AlgoSec products, Ability to configure and manage firewall solutions, Experience in network architecture and design, Experience in network implementation and optimization, Ability to troubleshoot complex network issues, Experience in reviewing and analyzing firewall rules, Ability to identify and remediate non-compliant or risky rules 📃 Skills: AlgoSec, CheckPoint, Firewalls, Networking, Architecture, Security, Troubleshooting, Optimization, Infrastructure, Python, Ansible, Django 🏢 Description: PROJECT INFORMATION: Industry: Finance Project language: English Business trips: Occasionally to DK Start: ASAP/Flexible Hybrid model: 3 days/week in office Assignment type: B2B Remuneration: We are open to your financial expectations - let’s talk about it. We are looking for a proactive and dedicated professional with broad expertise in Network/Infrastructure, who can contribute to our team with their expertise in AlgoSec and overall network management skills. Key Responsibilities & Qualifications: In-depth understanding and hands-on experience with firewall technologies and best practices. Capability to configure, manage, and secure various firewall solutions, mainly with CheckPoint Algosec Expertise , proven track record and hands-on experience with Algosec products, including configuration, management, and troubleshooting. Network Experience: Comprehensive knowledge and experience in network architecture, design, and implementation. Ability to manage and optimize network performance, ensure security, and troubleshoot complex network issues. Strong analytical and problem-solving skills. Excellent communication and teamwork abilities. Working with the client and interacting directly with customers regarding the firewall management tool, including reviewing and analyzing firewall rules, identifying risky or non-compliant rules, and providing recommendations for improvement. Nice to have: Experience in automation using Python/Ansible/Django ·

🏢 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 offer is for an expert IT consultant responsible for extending core platform functionalities and building a stable, scalable infrastructure for real-time communication and end-to-end testing. The role focuses on optimizing architecture, centralizing shared components, and improving CI/CD processes to ensure high performance and stability. The project is partly remote and based in Frankfurt. 🗂️ Requirements: Experience with Scrum, Experience with Kanban, Knowledge of database modeling, Experience with C# development, Experience with .NET 10, Experience with MSSQL 2022, Experience with Angular 20, Experience with Docker, Experience with Kubernetes, Experience with cloud-based solutions, Experience with GitLab 📃 Skills: C#, .NET, MSSQL, Angular, Docker, Kubernetes, GitLab, SQL, CI/CD, Cloud 🏢 Description: Zusammenfassung: Die Hauptfunktion dieser Position besteht darin, zentrale Plattformfunktionen zu erweitern und eine stabile sowie skalierbare Infrastruktur für Echtzeitkommunikation und End-to-End-Tests aufzubauen. Verantwortlichkeiten: Erweiterung von zentralen Plattformfunktionen Aufbau einer stabilen und skalierbaren Infrastruktur für Echtzeitkommunikation und End-to-End-Tests Analyse bestehender Komponenten zur Identifizierung und Implementierung wiederverwendbarer Funktionen im Shared-Client Zentralisierung von Funktionen zur Reduktion von Redundanzen und Sicherstellung einer wartungsarmen Architektur Optimierung und Erweiterung der Entwicklungsstandards und CI/CD-Abläufe zur Sicherstellung hoher Leistung und Stabilität Must Haves: Erfahrung in Scrum und Kanban Kenntnisse in der Datenbankmodellierung Erfahrung in der Entwicklung mit C#, .NET 10, MSSQL 2022, Angular 20, Docker, Kubernetes, und cloud-basierten Lösungen Erfahrung mit GitLab als Versionsverwaltungstool Nice to Haves: Kenntnisse in bankfachlichen Prozessen Projekterfahrung im Banken-/Finanzumfeld Vertrautheit mit Fondsmanagement, Markt- und Stammdaten Weitere Details: Einsatzort: Frankfurt am Main & Remote Projektkategorie: IT-Beratung Skill Level: Expert Startdatum: 13.04.2026 Enddatum: 30.09.2026 (Option auf Verlängerung) Gewünschte Anzahl Personen: 1 Remote-Anteil: 65% (30 PT vor Ort, 55 PT remote) Gesamtkontingent: 85 Tage

🏢 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: Long-term remote contract for a Senior Frontend-focused Fullstack Developer to support modernization of international money transfer systems in online and mobile banking. The role centers on building modern Angular interfaces while contributing to Java-based microservices and ensuring quality through testing. You will work within a complex banking ecosystem delivering clean, scalable end-to-end solutions. 🗂️ Requirements: Senior-level experience, Strong expertise in JavaScript, Strong expertise in TypeScript, Strong expertise in Angular, Solid experience with Java, Experience with Spring, Experience with Spring Boot, Experience with OR-Mappers, Knowledge of relational databases, Experience with microservices architecture, Proficiency in Clean Code principles 📃 Skills: JavaScript, TypeScript, Angular, Java, Spring, SpringBoot, Hibernate, SQL, Microservices, CleanCode 🏢 Description: Join a major modernization initiative within a leading German bank, focusing on international money transfers for both Online Banking and Mobile Banking (BankingApp). You will collaborate with an existing nearshore team that is highly flexible—developing frontends while also building and testing (manually and automatically) Java-based microservices. We are looking for a specialist who can bridge both worlds but maintains a strong primary focus on the Frontend . Details Start: June 2026. Duration: longterm Location: 100% remote (max. 2 site visits per year to Germany, travel costs covered by the Bank). Workload: 1 FTE Languages: Fluent English is a must; German is a "nice to have." Responsibilities Frontend Development: Leading the creation of modern, responsive interfaces for banking applications using Angular. Backend Support: Building and maintaining backend microservices to ensure end-to-end functionality. Quality Assurance: Participating in both automated and manual testing of the developed services. Modernization: Implementing clean, scalable code within a complex international banking ecosystem. Requirements Frontend (Primary): Strong expertise in JavaScript, TypeScript, and Angular . Backend (Fullstack): Solid experience with Java, Spring, Spring Boot , and OR-Mappers (e.g., Hibernate). Databases: Practical knowledge of relational databases and microservices architecture. Standards: Proficiency in Clean Code principles. Seniority: Senior-level experience is required. Nice to Have Experience with Kafka and Openshift .

🏢 Summary: On-site IT Manager role leading a small technical team and overseeing a fully on-premises infrastructure, including Windows Server 2019, network security, and multi-site redundancy. The position focuses on maintaining secure, stable, and resilient systems, managing firewalls and core Microsoft services, and driving incident response and infrastructure lifecycle planning. Requires strong hands-on technical expertise and leadership experience in enterprise environments. 🗂️ Requirements: 7+ years in network engineering or system administration, 5+ years of IT team leadership or management, Experience securing and maintaining on-prem environments, Expertise with firewalls, IDS/IPS, network segmentation, Hands-on experience with Windows Server 2019, Experience with virtualization and multi-site redundancy, Proficiency with Active Directory, Exchange, IIS, Experience with Linux systems, Experience with network monitoring tools, Bachelor's degree in Information Science, Computer Science, or related field or equivalent experience 📃 Skills: WindowsServer2019, ActiveDirectory, Exchange, IIS, Linux, Firewalls, IDS, IPS, VPN, Routing, Virtualization, Storage, NetworkSecurity, NetworkMonitoring, DisasterRecovery, CCNP, CCNA 🏢 Description: About The Role A highly skilled IT Manager with deep technical expertise in on-premises infrastructure, Windows Server 2019, network security, and firewall administration. This role leads a small technical team and ensures systems remain secure, stable, and redundant across both locations. The position requires 100% on-site presence Monday through Friday, with additional on-site time as needed for project and team support. What You Will Do - Lead the IT team, providing technical direction, mentorship, and performance development - Manage fully on-prem infrastructure, including Windows Server 2019, virtualization, storage, and multi-site redundancy - Administer and harden firewalls, VPN, routing, and perimeter security; maintain a strong and measurable security posture - Oversee Active Directory, Exchange, IIS, and core Microsoft server services - Conduct ongoing risk assessments, vulnerability mitigation, and infrastructure lifecycle planning - Lead incident response, root-cause analysis, and remediation - Maintain and test backups, disaster recovery, and business continuity plans - Develop and enforce IT policies, procedures, and change-management standards - Collaborate with internal teams to support system requirements and ensure reliable service delivery - Coordinate installation, configuration, and integration of internal systems and tools What You Bring - 7+ years in network engineering, system administration, or similar technical roles - 5+ years of IT team leadership or management experience - Proven experience securing and maintaining on-prem environments - Strong expertise with firewalls, IDS/IPS, network segmentation, and threat mitigation - Hands-on experience with Windows Server 2019, virtualization, and multi-site redundancy - Proficiency with Active Directory, Exchange, IIS, and Linux systems - Experience with network monitoring tools and enterprise infrastructure management - CCNP, CCNA, or equivalent network security certification highly desired Core Competencies - Strong communication and interpersonal skills - Excellent planning, troubleshooting, and prioritization abilities - High level of professionalism, confidentiality, and customer support - Ability to work independently and collaboratively in a fast-paced environment Education - Bachelor's degree in Information Science, Computer Science, or related field, or an equivalent combination of education and experience Benefits - Employee-only medical and dental coverage fully paid on base plan - Additional plan option available with cost sharing - Medical, dental, and vision coverage available for dependents with cost sharing - Company-paid short- and long-term disability - Flexible spending accounts - Generous paid time off - 401(k) plan with company match - Professional development program - Volunteer time off and employee assistance plan - Collaborative and innovative work environment - On-site exercise facility Offers are contingent on the successful completion of pre-employment background and drug screenings.

🏢 Summary: On-site IT Manager role leading a small technical team and overseeing a fully on-premises infrastructure, including Windows Server 2019, network security, and multi-site redundancy. The position focuses on firewall administration, infrastructure stability, risk mitigation, and incident response across two locations. Requires strong hands-on expertise in enterprise network security and Microsoft server environments. 🗂️ Requirements: 7+ years in network engineering or system administration, 5+ years of IT team leadership or management experience, Experience securing and maintaining on-prem environments, Expertise in firewalls, IDS/IPS, network segmentation, threat mitigation, Hands-on experience with Windows Server 2019 and virtualization, Proficiency in Active Directory, Exchange, IIS, Linux, Experience with network monitoring and enterprise infrastructure management, Bachelor's degree in Information Science, Computer Science, or related field (or equivalent experience), Ability to work 100% on-site Monday–Friday, Successful completion of background check and drug screen 📃 Skills: Windows, WindowsServer2019, ActiveDirectory, Exchange, IIS, Linux, Firewalls, VPN, IDS, IPS, Virtualization, Routing, NetworkSecurity, NetworkMonitoring, DisasterRecovery, Storage 🏢 Description: About The Role A highly skilled IT Manager with deep technical expertise in on-premises infrastructure, Windows Server 2019, network security, and firewall administration. This role leads a small technical team and ensures systems remain secure, stable, and redundant across two locations. The position requires 100% on-site presence Monday through Friday, with additional on-site time as needed for project and team support. What You Will Do - Lead the IT team, providing technical direction, mentorship, and performance development - Manage fully on-prem infrastructure, including Windows Server 2019, virtualization, storage, and multi-site redundancy - Administer and harden firewalls, VPN, routing, and perimeter security; maintain a strong and measurable security posture - Oversee Active Directory, Exchange, IIS, and core Microsoft server services - Conduct ongoing risk assessments, vulnerability mitigation, and infrastructure lifecycle planning - Lead incident response, root-cause analysis, and remediation - Maintain and test backups, disaster recovery, and business continuity plans - Develop and enforce IT policies, procedures, and change-management standards - Collaborate with internal teams to support system requirements and ensure reliable service delivery - Coordinate installation, configuration, and integration of internal systems and tools What You Bring - 7+ years in network engineering, system administration, or similar technical roles - 5+ years of IT team leadership or management experience - Proven experience securing and maintaining on-prem environments - Strong expertise with firewalls, IDS/IPS, network segmentation, and threat mitigation - Hands-on experience with Windows Server 2019, virtualization, and multi-site redundancy - Proficiency with Active Directory, Exchange, IIS, and Linux systems - Experience with network monitoring tools and enterprise infrastructure management - CCNP, CCNA, or equivalent network security certification highly desired Education - Bachelor's degree in Information Science, Computer Science, or related field, or equivalent combination of education and experience Benefits - Employee-only medical and dental coverage fully paid on base plan - Additional medical plan option with cost sharing - Medical, dental, and vision coverage for dependents with cost sharing - Company-paid short- and long-term disability - Flexible spending accounts - Generous paid time off - 401(k) plan with company match - Professional development program - Volunteer time off and employee assistance plan - Collaborative and innovative work environment - On-site exercise facility Offers are contingent on the successful completion of pre-employment background and drug screenings.

🏢 Summary: Opportunity to develop and optimize high-performance software systems for the financial sector using C/C++. The role covers full software development lifecycle, feature implementation, system integration, and performance optimization of production systems. It focuses on building stable, maintainable, and performance-critical applications. 🗂️ Requirements: 5+ years professional software engineering experience, Strong proficiency in C, Strong proficiency in C++, Experience with Visual Studio, Experience with Git or SVN, Knowledge of relational databases, Knowledge of transactional databases, German language skills minimum B2 level 📃 Skills: C, C++, VisualStudio, Git, SVN, SQL, RelationalDatabases, TransactionalDatabases 🏢 Description: Join our team developing high-performance software systems for the financial sector. Your Responsibilities: Design and implement new features using C / C++. Integrate new components into the existing software architecture. Contribute to the full software development lifecycle. Ensure code quality, stability, and maintainability. Support and optimize performance-critical systems in production. Your Profile: 5+ years of professional software engineering experience. Strong proficiency in C / C++. Experience with Visual Studio and version control (Git/SVN). Knowledge of relational and transactional databases. German language skills (minimum B2 level).

🏢 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.