{"id":2032835,"url":"https://alion.io/job/itrs-system-network-administrator","title":"System & Network Administrator","company":{"id":678823,"name":"ITRS","domain":"itrsgroup.com","url":"https://alion.io/company/itrsgroup","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"C","score":65,"open_postings":19,"ghost_share":0.579,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":42,"computed_at":"2026-10-10T05:45:15Z"}},"role":"DevOps","role_family":"DevOps","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":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":81000,"period":"year","method":"role_country_seniority_unknown","sample_n":239},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"TCP/IP","optional":false},{"name":"VPN","optional":false},{"name":"Wi-Fi","optional":false}],"status":"live","first_seen_at":"2026-10-07T14:54:32Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-11T15:49:41Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":3},"description":"At ITRS, we make society's critical technology work. Our mission is to deliver automated and holistic IT observability solutions that safeguard critical applications and enable innovation. We are the only monitoring and observability platform designed for the most demanding and regulated industries - trusted by 90% of Tier 1 capital markets firms.\nWe believe when our team thrives, so do our customers. With us, you'll find:\nA culture that backs you - We're proud to be a Great Place to Work for multiple years in a row due to our inclusive, supportive environment.\nWork that matters - Make a real difference with 1,000s of global customers in industries that keep the world running, including 9 out of 10 top investment banks.\nRoom to grow - Whether you're starting your career or bringing years of experience, we're committed to your development. Just ask our team members who've been excelling here for 10+ years.\nWith headquarters in London and teams across the US, Europe, and Asia, ITRS combines the agility of a high-impact tech business with the stability of a private equity-backed global partner.\nScope of Role\nITRS is looking for a Systems & Network Administrator to own and run our mobile platform, network infrastructure and mobile device fleet in Paris, and to keep them performing without interruption.\nReporting to the IT Manager, you will be responsible for the day-to-day health of the mobile platform and the network that supports it. We are looking for someone with strong network infrastructure expertise, who can design and build a complete network from the ground up, not only maintain one.\nThe role is based in our Paris office and offers a hybrid work scgedule. You will work on-site alongside the IT Manager in our local data-centers for hardware maintenance, physical interventions and hands-on troubleshooting, and you will provide Tier 1 to Tier 3 support to users and infrastructure.\nYou will supervise the Operations Team dedicated to the mobile platform, including training and guiding the apprentice assigned to it day to day. You will also deliver core IT projects and work daily, in English, with international teams across ITRS.\nAs a Systems & Network Administrator, you will:\nOversee and maintain the mobile platform, network infrastructure and fleet of mobile devices to guarantee continuous operational performance.\nDesign, build and document network infrastructure, from architecture and addressing through to switching, routing, firewalls and wireless.\nMonitor platform and network health, and find and fix the root cause of incidents rather than only the symptoms.\nSupervise and work closely with the Operations Team dedicated to the mobile platform.\nTrain, guide and work daily with the apprentice assigned to the mobile platform, building their skills on the job.\nSupport the IT Manager on-site in our data-centers whenever hands-on support, hardware maintenance or troubleshooting is needed.\nProvide Tier 1 to Tier 3 support to users and infrastructure, and escalate or resolve issues at the right level.\nTake an active part in core IT team projects, and deliver the ones you own on time.\nHandle daily technical communication in English with international teams, keeping colleagues informed on changes, incidents and progress.\nRequirements\nProven experience as a systems and network administrator, with strong, hands-on network infrastructure expertise.\nExperience designing and building a complete network infrastructure, not only operating an existing one.\nSolid knowledge of networking fundamentals and equipment: TCP/IP, VLANs, routing, switching, firewalls, VPN and Wi-Fi.\nExperience managing a mobile platform and a fleet of mobile devices, including enrolment, configuration and security.\nHands-on experience working in data-centers, including hardware installation, cabling and maintenance.\nExperience providing Tier 1 to Tier 3 support across users and infrastructure.\nExperience supervising, training or mentoring others, such as junior staff, apprentices or an operations team.\nProfessional working proficiency in English, written and spoken, and fluency in French.\nAbility to work on-site in our Paris office and travel to local data-centers as needed.\nExperience with Mobile Device Management (MDM) tools. (desirable)\nNetworking certifications such as Cisco CCNA or CCNP. (desirable)\nKey competencies\nStrong technical troubleshooting and structured problem-solving under pressure.\nOwnership and reliability; treats uptime and service continuity as personal responsibilities.\nLeadership and coaching; brings out the best in a small team and an apprentice.\nClear communication in English with technical and non-technical colleagues across countries.\nPlanning and delivery discipline across support work and projects.\nDocumentation habits that leave systems easier for others to run.\nBenefits\nEmployee Assistance Programme\nFlexible Hybrid Working\nEnhanced Parental Leave\nTravel Insurance\nLife Assurance\nIncome Protection\nReferral Bonus\nBuy and Sell Holiday\nTraining Reimbursement\nITRS is an Equal Opportunity employer and Inclusion is part of our everyday life. We celebrate diversity and pride ourselves on providing an environment where all employees can be their authentic selves and have a voice, allowing everyone to contribute equally. We remain committed to advocating inclusion, diversity, and equality into our ITRS family as we grow and enrich our business.\nWe welcome applications from everyone in the community as we recognise that a diverse workforce is a stronger workforce.","description_format":"text","description_chars":5545,"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":[{"language":"French","level":"Advanced (C1)","optional":false},{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Equity","Hybrid work","Parental leave"],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Technology","Observability & APM"],"lifecycle":[{"event":"open","at":"2026-10-07T14:54:32Z"}],"visa":[],"liveness":{"score":70,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.695,"p_room":1,"age_days":2,"expected_fill_days":42,"reasons":["conf:0","stale_co","urgency","velocity","win:early"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/itrs-system-network-administrator","json_url":"https://alion.io/job/itrs-system-network-administrator.json","meta":{"generated_at":"2026-10-11T18:51:05Z","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":5066,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":678823},"rest":"https://alion.io/mcp/rest/get_company?id=678823"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fitrs-system-network-administrator"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fitrs-system-network-administrator"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fitrs-system-network-administrator"},{"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/itrs-system-network-administrator\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fitrs-system-network-administrator"}]}