{"id":4189514,"url":"https://alion.io/job/mthree-network-engineer","title":"Network Engineer","company":{"id":456041,"name":"Mthree","domain":"mthree.com","url":"https://alion.io/company/mthree-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":82,"open_postings":15,"ghost_share":0,"stale_share":0.533,"repost_share":0,"time_to_fill_p50_days":68,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-11-12T17:51:14Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T19:06:12Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Senior Network Engineer\nPermanent | Hybrid | Network Engineer | London or Leeds \nAt Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector - we are always in search of the best talent to place, now.\nThe role:\nThe Senior Network Engineer will provide hands-on technical expertise across our client’s network infrastructure estate, supporting the operation, maintenance and enhancement of critical network, firewall, load balancing and connectivity services.\nThe Senior Network Engineer is a technical delivery role suited to an experienced engineer who enjoys working collaboratively to support and improve critical infrastructure services.\nResponsibilities:\nWork closely with Network, Security, Compute and Platform Engineering teams, supporting operational service delivery, project implementation, major incident resolution and technology lifecycle activities.\nHelp drive Infrastructure as Code (IaC), automation and automated testing capabilities to improve service reliability, resilience and operational efficiency.\nSupport the day-to-day operation of network infrastructure and associated services including maintaining and enhancing Cisco switching, routing, firewall and load balancing platforms.\nInvestigate and resolve complex incidents, problems and service requests in collaboration with colleagues, suppliers and technology partners and contribute to root cause analysis and continuous service improvement activities.\nSupport infrastructure projects, maintenance activities and technology refresh programmes and participate in major incident and service recovery activities.\nBuild effective working relationships across Technology teams, suppliers and service partners., providing clear and effective communication during incidents, changes and service reviews.\nDeliver a high standard of customer service and stakeholder engagement.\n\nSkills & Experience:\nStrong experience in network engineering, with the ability to support and improve business-critical network services.\nCurrent holds active SC clearance or is SC clearance eligible\nCisco CCNP certification or equivalent practical industry experience.\nExperience supporting Cisco Nexus switching, Cisco UCS platforms, enterprise firewall technologies, ideally including Check Point VSX environments.\nStrong understanding of routing, switching, network security and infrastructure operations.\nExperience developing automated testing and validation solutions for infrastructure changes alongside dedicated testing or quality assurance teams to implement automated testing capabilities.\nExperience using automation technologies such as Python, Ansible, Terraform or equivalent tools.\nUnderstanding of Infrastructure as Code (IaC) principles and modern infrastructure management practices.\nExperience working within operational environments where service availability and stability are critical.\nDesirable skills:\nExperience within Financial Services or another highly regulated environment.\nExperience supporting Azure and/or AWS networking services.\nExperience with software-defined networking technologies.\nExperience with network security automation and policy management.\nBroad understanding of adjacent infrastructure technologies including compute, storage, virtualisation and security.\nAbout Peregrine\nWe build workforces that deliver tech and change programmes at leading UK organisations. By combining data science from Peregrine Intelligence, our industry-accredited Peregrine Academy, and market-leading attraction and diversity initiatives, we bridge capability gaps at all levels in public and private sector organisations. We work closely with our clients to understand their challenges and deliver flexible, long-term solutions that make a real difference. When you join Peregrine, you become part of a team that’s focused on growth, both yours, our clients’, and the sectors we support. You’ll also get access to a full range of benefits alongside your salary.\nHow Specialist Talent Works\nAs a permanent employee at Peregrine, you’ll be part of our Specialist Talent team. That means you’ll work on-site or remotely with our clients, supporting them on complex, high-impact projects in Data, Digital and Business Transformation. You’ll get the variety and challenge of consultancy work, with the stability and support of a permanent role. You’re not a contractor - you’re a valued member of our team, with access to all the same benefits, learning opportunities, and community.\nOur Culture\nWe’re curious, open, and always learning. We believe in doing great work and doing it with integrity. We support each other, share ideas freely, and celebrate progress big and small. And we care about the impact we make, whether that’s helping clients solve tough problems or creating opportunities for people from all walks of life.\nDiversity and Inclusion\nWe’re proud to be a diverse team, with 20+ nationalities represented across Peregrine. We welcome people from all backgrounds and experiences, and we’re committed to building an inclusive workplace where everyone can thrive. Through our partnerships and internal initiatives, we’re working to improve social mobility, reduce our environmental impact, and help our clients build more inclusive teams too.\nFind out more:peregrine.globalor check out our LinkedIn page:peregrine-resourcing","description_format":"text","description_chars":5512,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Corporate Training","IT Staffing & Staff Augmentation","IT Training & Certification"],"lifecycle":[{"event":"open","at":"2026-11-12T19:06:12Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":68,"reasons":["conf:1","win:early"],"computed_at":"2026-11-12T20:45:22Z"},"pay":null,"html_url":"https://alion.io/job/mthree-network-engineer","json_url":"https://alion.io/job/mthree-network-engineer.json","meta":{"generated_at":"2026-11-12T20:45:22Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":43895,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":456041},"rest":"https://alion.io/mcp/rest/get_company?id=456041"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmthree-network-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmthree-network-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmthree-network-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mthree-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmthree-network-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4189514}},{"tool":"search_jobs","arguments":{"company":"mthree.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4189514},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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