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Network Engineer
Senior Network Engineer – Enterprise IT (MAME Platform Group)
Company Overview
Metrea delivers effects-as-a-service to national security partners across five domains and 12+ mission areas, including:
- Airborne ISR
- Electronic warfare
- Secure communications
- Aerial refuelling
- Special air missions
- Aerial firefighting
- Advanced simulation
We own the full tech stack—designing, building, and operating mission-capable systems—empowering partners with asymmetric advantage against evolving threats. Our three-pillar operating model ensures agility:
- Support Groups: Global services (operations, finance, logistics, legal)
- Core Groups: End-to-end mission capability development
- Market Groups: Regional alignment across the Americas, EMEA, and Asia-Pacific
A fast-moving, intellectually rigorous environment where impactful work drives rapid growth—and where growth drives better mission outcomes.
Headquartered in Washington, DC, with facilities across: 🇺🇸 United States 🇬🇧 United Kingdom 🇪🇺 Continental Europe 🌏 Asia-Pacific
Group Overview
Metrea’s IT Infrastructure Solutions team supports classified and unclassified mission environments by ensuring 24/7 connectivity across global platforms.
Our approach blends IT ubiquity and scalability with mission-center agility to connect design with real-world effect, delivering elegant, relentlessly secure and innovative solutions.
About the Role
You’ll join Metrea Management Limited’s MAME Platform Group IT Engineering—responsible for designing, deploying, and supporting the global enterprise network infrastructure that enables mission systems.
Position Summary
As a Senior Network Engineer across hybrid, cloud, and on-premises environments, you’ll:
- Own the architecture, security, and reliability of Metrea’s critical communication networks.
- Partner with cybersecurity, cloud operations, and support teams to safeguard classified environments.
- Thrive in a high-paced cybersecurity setting, taking hands-on ownership of complex challenges as a leadership role.
An opportunity for a strong network professional seeking professional growth and a chance to directly impact resilient, mission-ready systems.
Responsibilities
Core Engineering Tasks
- Design and Deploy Network Infrastructure
- Plan, implement, and maintain routers, switches, firewalls, and wireless access points (classified/unclassified).
- Configure and optimize LAN, WAN, WLAN, SD-WAN, and VPN solutions using:
- Cisco (Catalyst, Nexus)
- Aruba
- Palo Alto firewalls
- Secure Mission Networks
- Enforce network security controls (firewall policies, IDS/IPS, NAC, micro-segmentation, 802.1x authentication) aligned with:
- NIST, CMMC, ISO 27001
- Cyber Essentials
- DEFSTAN 05-177 (UK MoD)—expected in role
- Support hybrid and cloud networking across AWS and Azure:
- VNETs, VPCs, ExpressRoute, Direct Connect, and security groups.
- Enforce network security controls (firewall policies, IDS/IPS, NAC, micro-segmentation, 802.1x authentication) aligned with:
- Advanced Wireless Enablement
- Deploy and manage enterprise wireless networks (802.11ax/Wi-Fi 6, controllers, WPA3), including:
- SSID/VLAN configurations
- RADIUS integration
- Deploy and manage enterprise wireless networks (802.11ax/Wi-Fi 6, controllers, WPA3), including:
- Troubleshooting & Uptime Assurance
- Perform Tier 2/3 incident response and root-cause analysis to achieve 99.99% availability.
- Develop policy-free troubleshooting skills across complex layer-2/3 infrastructure.
- Continuous Improvement
- Introduce innovation to support growing Metrea scale while preserving core 39999 availability.
- Drive adoption of industry-leading network monitoring, automation, and AI/ML-driven diagnostics.
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Collaboration & Documentation
- Operate as a Service Ownership Tech Lead in cross-functional teams:
- Systems Administration
- DevOps
- Security & SOC
- Engineering/Vendor Teams
- Maintain comprehensive documentation:
- Network diagrams
- Runbooks & SOPs
- Post-incident reports & lessons learned
- coordinate vendor engagement (Cisco, Palo Alto, Avaya, etc.) for network hardware/software fixes.
Requirements & Qualifications
Mandatory Experience
- 5–8 years designing, deploying, and maintaining enterprise networks (≥500 endpoints across multiple sites).
- Deep command of core networking fundamentals:
- TCP/IP model
- OSI layer stack 1–7 (protocol-objective mapping)
- Routing protocols: BGP, OSPF, EIGRP
- Switching technologies: VLANs (private/PVLANs), STP protocols, VxLAN (EVPN), MPLS (basic)
- languages:
- Operating system proficiency: Windows Server/Linux
- Hands-on expertise with:
- Cisco Aruba (Wireless) and Catalyst/Nexus switches/routers.
- Palo Alto firewalls (or Fortinet/Netscreen equivalent).
- VPN technologies: IPSec, SSL/TLS (remote access & site-to-site).
- Security domains:
- DNS, DHCP, IPAM (BestChoice ilk)
- Network segmentation & zero-trust principles.
- Wireless: 802.11ac/ax, NetGEAR/Nutanix wireless controllers/application policies.
- Automation awareness:
- Worked with Python, Powershell, Ansible/Puppet in basic automation scripts.
Culture & Collaboration Fit
- Pivots fast in unpredictable settings while maintaining biosecurity awareness.
- Values impact over process without losing milestone-objective discipline.
- Flourishes in mission ambiguity and embraces emergent problem-solving.
- Thrives in distributed but accountable teams.
- Modest tenacity with patient problem-solving under stress (achieves workarounds without fear of escalation).
Nice-to-Haves
- defence certification with experience:
- CNP-C/Master Network Engineer or CCNA Enterprise Profesional.
- UK MoD Clearance (working on or above NF)
- Cloud network expertise:
- Azure VNETs, AWS VPC route tables, and route optimization.
- Hybrid security frameworks: S2S VPNs for classified data.
- Regulatory alignment:
- Familiarity with:
- NIST 800-171/CMMC v2.0
- ISO/PISCES/GDPR-hardness domains
- Experience with DoD’s ITAR or UK’s DEFSTAN 05-1065 regimes.
- Familiarity with:
- Advanced communication tools:
- Zero-trust networking (ZTNA), SASE, or SD-WAN (VeloCloud, Silverpeak)
- Database + data pipeline knowledge (atm):
- Monitoring/analyzing logs via SIEM platforms (Splunk, QRadar).
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Benefits
Perks & Flexibility
- Private Medical Insurance
- Wellhub company-subsidised mental/physical wellness (gym, anxiety cohorts).
- E-Car Scheme & Cycle to Work
- Salary-Invalidated Employer-Contived/PFI Pension
- Flexible Paid Leave
- 25 days core PTO + 5 banks/shared off-road days.
- Enhanced Parental Leave policy.
- Quarterly Bonus Scheme
- All-time network engineer mentorship tracks
- Free meals on office days.
Key Information
Disclosure & Security
- Valid UK work right (documentation verified peer-to-peer).
- Acceptable Security Vetting requirements: Security must verify all aspects of clearance capability.
- Share online info (open-source background checked via third-party).
Workforce Structure
- Hybrid role (minimum 3 days onsite at Metrea HQ/UK facilities).
- ~25% Business Travel expected; politics in-the-field due to customer sites.
Employment Terms
- Full-time role, non-exempt naturally.
- Standard hours: Mon-frid 09:00–18:00 LT.
- On-call and covering requirements may arise beyond regular hours.
- Process innovation facilitating.
Equality & Diversity
Metrea celebrates difference and commits to unbiased hiring. We ensure equal opportunity in pay and progression across role application.
METREA Teammate Firmware 🔄
Our guiding values form Firmware—the constant interface between impactful outcomes and people’s contributions. Embedded by conversations, not memorisation, Firmware fosters:
Underpinning Behaviours
Roots
- Humility: When the system says complex, assume bad logic; side-lateral testing januárusass.
Cornerstones
- Entrepreneurial: Fight "it’s safe here" all the time. Yen solo projects—dramatic.
- Systems Thinker:
- Envisage connective complications before risking. Improve constraints overtly.
- Discerning:
- Zero where-possible. Check tone/wording twice before calling in.
- Over-deliver:
- Push-up artifishia around your role. Deliver higher quality.
Topics Transgifored: How you
- solve thorny problems
- define own sytems (thoughts shape event horizons)
- spawn control with clarity through empirics
We link mission impact back to human purpose. Tech—for defence—protecting sovereignty. Humans—resilient trust.
Think from ground up. Engage in Clarksonian leadership. Make systems trust worthcounted.
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