Infrastructure Engineers implement, manage and retire the infrastructure (including physical, virtual, networking and cloud infrastructure) that supports digital services.
Key duties and responsibilities:
Looking for an experienced Infrastructure Engineer/System Administrator to assist with the deployment, configuration, and ongoing support of solutions within a discrete operational network used for the collection and ingest of operational data into client networks and systems.
Services:
The role requires services delivered in collaboration with and under supervision by nominated personnel, include, but are not limited to, the following:
Provide Infrastructure Engineer / Systems Administrator services to plan, deploy, configure, and support solutions in the discrete operational network and ensure reliable ingest into client systems.
Provide technical direction/advice to vendors performing professional services on behalf of the client, ensuring alignment with security and operational constraints.
Design and configure infrastructure across the full stack (physical, virtual, network, storage) to support business applications and data flows.
Establish and maintain Infrastructure-as-Code using Ansible and Git/GitLab, including CI/CD where appropriate for safe, auditable change.
Provide technical leadership where relevant; mentor team members in automation-first practices and secure operations.
Work effectively in a small, multidisciplinary team operating within a high‑assurance environment.
Provide knowledge/skills transfer to permanent staff through clear documentation, diagrams, procedures, and Ansible/GitLab artefacts.
Record and maintain files/information in accordance with client requirements and applicable security classifications.
The Specified personal should have excellent skills and significant experience in several of the following domains:
Linux (Ubuntu) administration: hardening, patching, optimisation, troubleshooting; familiarity with AppArmor, systemd; packaging; network services.
Configuration & Administration of Microsoft Windows Server (used in select roles—e.g., AD/ADFS, certificate services).
Virtualisation: VMware vSphere and ESXi—design, operations, performance optimisation, lifecycle (host patching, vCenter upgrades), VM templates, snapshots, resource controls.
Database platforms: SQL Server (optimisation, version upgrades, consolidation, virtualisation) and/or Linux-hosted databases where applicable (backup/restore, performance tuning, HA/DR patterns).
Storage & Backup: enterprise arrays, data tiering, NFS/iSCSI; Dell technologies (e.g., Networker, Isilon/PowerScale) including VEEAM or similar products for backup/recovery of virtual workloads.
Networking & Security: Cisco firewalls/switches (policy management, NAT, VPNs, ACLs), segmentation, routing, basic QoS; Linux firewalling; vulnerability scanning and remediation.
Containers (desirable): Docker/Podman, image management, basic orchestration (K8s/nomad) where relevant to packaging and deployment of services.
Mandatory:
Proven experience in the design, configuration, and support of Linux-first (Ubuntu) ICT infrastructure Experience with configuring and maintaining windows systems and services.
Demonstrable capability delivering complex solutions hosted on infrastructure and/or cloud services, including the ability to identify and resolve:
o Technical & security requirements (segmentation, access controls, encryption, patching)
o Test considerations (functional, performance, integration, failover)
o Operational concerns (monitoring, logging, backup/restore, runbooks) System constraints (resource limits, compatibility, lifecycle)
Hands-on experience with Ansible and Git/GitLab (IaC, CI/CD pipelines, code reviews, artefact/version control, environments).
Virtualisation expertise with VMware vSphere/ESXi, including lifecycle management and performance optimisation.
Networking experience with Cisco firewalls and switches, including policy configuration, network segmentation, and secure connectivity.
Highly Desirable:
Expert-level Linux (Ubuntu/RHEL) management including experience with Landscape and developing Linux standard operating environments.
Experience with containers and/or orchestration (Docker/Podman, Kubernetes), including image hygiene and registry management.
Security tooling and controls: WSUS/SCCM (for Windows), Nessus/Nmap (vulnerability scanning), AppArmor, Linux firewalling, Cisco firewall policy hygiene, and SIEM/logging integration.
Experience with data ingest pipelines (network and system throughput tuning, buffering, reliable delivery, integrity validation) using tools such as Apache NiFi.
Experience complying with security assessments, system configuration, and change management processes/documentation standards in the Federal Government sector (particularly national security contexts).
Strong scripting skills (Bash and PowerShell) for automation, diagnostics, and configuration management.
If you're excited to take on a new challenge and think this role is a great fit, we'd like to hear from you. Click APPLY NOW to submit your resume and cover letter.
If you have any questions about the role, please feel free to reach out to Misbah at misbah.s@interpropeople.com
