Deadline Date: Monday 18 May 2026 Requirement: NNGEM SW Engineer - Application Support Location: Mons, BE Full Time On-Site: Yes Time On-Site: 100% Total Scope of the request (hours): 836 Required Start Date: 1 July 2026 End Contract Date: 31 December 2026 Required Security Clearance: NATO COSMIC TOP SECRET Duties & Role: In close coordination with the CIS capability Service Delivery manager, CSI Engineers and developers, the Contractor shall perform the following activities: Provisioning and hardening of RHEL as the underlying host OS, aligned with NCIA security guidelines. Deployment and configuration of the approved Container Orchestration Platform and Container Management Platform. Provide support for developers for Red Hat UBI and application components in application of NCIA security guidelines. Delivery of "As-Built" documentation using provided template. Development and deployment of centralized patching infrastructure for RHEL host OS. Create a training package in PowerPoint format, that describes deployment and administration procedures of RHEL hosts. Create technical procedures (SOP - Standard Operating Procedures) and instruction (SOI - Standard Operating Instructions) for administrative activities and maintenance tasks. Execute on-the-job training sessions according to approved training package. Deploy, according to installation manual, NUCOM/NNGEM application for each site. Deploy NUCOM/NNGEM updates according to provided schedule (3 updates a year – one update every four months), Manage issues registered by users: Resolve incidents up to Level 2 support expertise, Escalate incident if needed to Level 3 support. Review and provide constructive feedback on: Hardening procedures (Security Guidelines), Containers management/orchestration procedures, Backup/restore procedures, NNGEM installation manual. Requirements Skill, Knowledge & Experience: The candidate must have a currently active NATO COSMIC TOP SECRET security clearance Comprehensive knowledge of the principles of computers and communication security, networking, and the vulnerabilities of modern operating systems and applications. At least five years of experience designing, developing and managing Linux based environment, in particular RHEL based. At least five years of experience managing containerized applications in orchestrated and non-orchestrated environments. Proven experience in host management scripts development, using bash/sed/awk and/or Python. Proven experience in development and management of automation solutions such as Ansible, including playbooks development. Hands-on experience in security compliancy checks of Linux-based systems. Experience in creating and maintaining version-controlled system documentation. Very good knowledge of spoken and written English as work is conducted in English The possession of one or more of the following industry certifications will be considered as an asset: Red Hat Certified Engineer (RHCE) Certified Kubernetes Administrator (CKA) Red Hat Certified Specialist in OpenShift Administration IT Trainer Certification (such as RHCI, CompTIA CTT, MCT, CCSI, etc.)