Manager - Firewall and VPN Engineering

What we offer:

Hybrid working model (2 days in the office and 3 days working remotely) Stable employment with an employment contract, private medical care, and a benefits package including MultiSport and a benefits platform Opportunity to work in an international environment and collaborate with experienced Grant Thornton experts and professionals from around the world A culture based on teamwork, trust, and knowledge sharing A well-structured onboarding program to support a smooth start and successful integration into your new role Clear career development paths and access to learning and certification programs Access to training platforms and tools that support professional growth An inclusive workplace that welcomes people with disabilities A modern office in Poznań, located in Malta Office Park Why join Grant Thornton Global Delivery Center Poland

At Grant Thornton Global Delivery Center Poland (GDC), you’ll contribute to meaningful work that moves businesses forward. From day one, you’ll help deliver value for clients while helping shape the future of a growing delivery center in Poland.

Through supporting operations of our growing multinational platform, you’ll have opportunities to tackle complex projects, work with advanced technologies and develop new skills while expanding your experience. You’ll collaborate across countries, markets and time zones, learning from different perspectives and building experience beyond their roles.

At GDC Poland, you’ll be part of a team that succeeds together. Knowledge is shared, diverse perspectives are valued, and team members support one another in doing their best work.

Clear career paths, learning opportunities and international exposure will help you continue building your skills, expanding your capabilities and growing a rewarding career.

About Grant Thornton

Grant Thornton provides audit and assurance, tax and advisory services through the member firms of the Grant Thornton International Ltd (GTIL) network. Wherever business operates, the network is there, with member firm capabilities in more than 150 markets worldwide.

Within the network, the Grant Thornton Advisors multinational platform is a group of firms that connects priority markets and operates with aligned standards, technology and delivery expectations. For work that crosses borders, this helps support collaboration and coordination across markets. Platform firms operate as separate legal entities. Why choose a career with Grant Thornton

At Grant Thornton, we help ambitious organizations make their most important decisions across audit, tax and advisory. Our scale doesn’t create distance. You work in smaller teams, with senior people who stay involved from start to finish. You take on real work early, help shape it and see it through.

You get access to capabilities across disciplines, clients in almost every industry and colleagues around the world who are only a message away.

Build a career with meaningful work, multinational opportunities and the support to make a lasting impact.

Join our team! We are searching for IT professionals across multiple specialties and experience levels. Click on the arrow to see current job offers.

Daily tasks

• Lead a distributed team of firewall and VPN engineers, including work allocation, on-call coverage, performance feedback, and technical development.
• Own the firewall and VPN platform roadmap: hardware and software lifecycle, capacity, high availability design, and migration to centralized policy management.
• Govern the rule base through a documented change and review process, drive periodic recertification, and reduce shadowed, permissive, and unused rules on a measured schedule.
• Serve as escalation owner for major network security incidents and outages, and coordinate with network engineering, cloud, and application teams on resolution.
• Report on control effectiveness, service levels, and remediation progress to security leadership, and respond to internal audit and client assessment requests.

Requirements

Eight or more years in network or network security engineering, including at least two years leading engineers as a manager or team lead . Expert-level experience with enterprise firewall platforms such as Palo Alto Networks, Fortinet, Check Point, or Cisco, together with centralized policy management. Strong command of remote access and site-to-site VPN technologies, including IPsec, SSL VPN, and modern zero trust network access approaches. Demonstrated experience running firewall change governance and rule recertification in an audited environment. Fluency in Polish and English Preferred Qualifications

Certification such as PCNSE, NSE 7 or above, CCNP Security, or CISSP. Experience securing hybrid and multi-cloud network architectures and automating policy deployment through infrastructure as code.

The Manager for Firewall and VPN Engineering leads the team responsible for the network security perimeter: next-generation firewalls, remote access and site-to-site VPN, and the policy governing traffic between segments, data centers, and cloud environments. The role combines people leadership with hands-on technical ownership. The manager sets standards for rule quality and change discipline, plans the technology roadmap with architecture and network engineering, and is accountable for the availability and audit readiness of the platforms the team runs.

Must have: Network Security, Palo Alto, Fortinet, Cisco, VPN, IPsec, SSL, Audit

Nice to have: PCNSE, CCNP, Security, Infrastructure as Code, Cloud