Senior IBMi Engineer — Zero Trust Security Architect

ARK Solution

Warszawa

On-site

PLN 180,000 - 240,000

Full time

6 days ago

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Job summary

ARK Solution in Poland is seeking a Senior IBMi Engineer based in Poland (Warsaw/Krakow/Gdansk) for an on-site contract role to design, implement, and manage Zero Trust security transformations on IBM i environments.

You will lead migration of legacy security to Zero Trust, enforce least-privilege, configure IBMi security features, and collaborate with security architects to ensure availability and performance while guiding operational teams through migration plans.

Qualifications

Strong knowledge of IBMi platform, RPG, and CL programming.
Proficiency in database management, SQL, and query optimization on the IBMi system.
Experience in troubleshooting, diagnosing, and resolving system issues.
Understanding of system integration, architecture, and communication protocols.
Excellent problem-solving skills and attention to detail.
Ability to collaborate with cross-functional teams and adapt to dynamic environments.
Familiarity with system upgrades, patches, and migrations.
Experience with SDLC and project management methodologies is advantageous.

Responsibilities

Design Zero Trust security architecture for IBMi environments.
Implement least-privilege access principles on IBMi systems.
Migrate from traditional perimeter-based security to the Zero Trust model.
Configure zone-based segmentation for IBMi workloads.
Harden IBMi operating systems (OS/400, IBM i) according to Zero Trust standards.
Configure and manage IBMi security features (User Profiles, Authorization Lists, Object Authorities).
Design and enforce granular access policies for databases, applications, and system functions.
Integrate IBMi with modern Identity and Access Management (IAM) solutions.
Implement network segmentation for IBMi environments.
Configure exit points and network security controls.
Design secure API gateways for IBMi applications.
Deploy VPN and Zero Trust Network Access (ZTNA) solutions.
Monitor and analyze network traffic to/from IBMi systems.
Collaborate with security architects, network teams, and application owners.
Document Zero Trust architecture, configurations, and procedures.
Train operational teams on Zero Trust principles and IBMi security management.
Develop migration plans with minimal business disruption.