Strativ Group

Job Description Strativ is partnering with a fast-growing, venture-backed defence technology company building AI-driven autonomous systems used in operations around the world. They're hiring a Senior Site Infrastructure Engineer to join their Cloud & Infrastructure team and own the physical foundations behind a rapidly expanding global footprint. You'll plan, design and document physical IT infrastructure across offices, engineering labs, manufacturing facilities and data centres. That means rack layouts, structured cabling, power and cooling, MDF/IDF design and DCIM, with new site buildouts, expansions and data centre deployments in the pipeline. What you'll be doing: • Leading new site buildouts, office expansions and relocations, data centre deployments and hardware refreshes • Designing rack layouts, MDF/IDF requirements, equipment placement plans and infrastructure BOMs • Maintaining rack elevations, connectivity diagrams, cabling records and DCIM data across every environment • Capacity planning for rack space, power, cooling, cabling and equipment growth • Administering and improving DCIM/IPAM/CMDB platforms (e.g. Nautobot, NetBox, Device42) • Setting documentation and labelling standards that stay accurate throughout the infrastructure lifecycle • Reviewing floor plans, low-voltage drawings, vendor designs and SOWs • Managing circuit inventory and lifecycle, including renewals, upgrades, relocations and carrier coordination • Working with architects, contractors, colos, carriers and OEMs, alongside internal Network, Systems and Cloud teams • Guiding junior engineers and support staff What they're looking for: • 5+ years in data centre, enterprise site or physical IT infrastructure engineering • Strong rack design, structured copper/fibre cabling and physical infrastructure documentation skills • Solid knowledge of power and cooling: A/B power, UPS/PDU, circuit capacity, redundancy and airflow • Experience designing MDF/IDF environments and sizing infrastructure for new or growing sites • Hands-on experience with DCIM/IPAM/CMDB tools (Nautobot, NetBox, Device42, Sunbird or similar) • Working understanding of enterprise networking, including switching, wireless, WAN and carrier services • Ability to read architectural drawings, floor plans and low-voltage designs • Comfortable running projects independently from planning to deployment, with periodic travel to sites Nice to have: • Greenfield builds, data centre migrations or experience in fast-growing, multi-site organisations • Familiarity with AWS/Azure hybrid connectivity • Kit from Juniper, Cisco, Palo Alto, Dell, APC or Vertiv • Scripting or API automation for DCIM workflows • Background in aerospace, defence, manufacturing or other regulated environments • Certifications such as BICSI, CDCP or CCNA/CCNP Seattle, WA, on-site with periodic travel to sites and data centres $140,000-$210,000 base + bonus + benefits + equity