{"id":3457335,"url":"https://alion.io/job/alstom-senior-linux-system-engineer","title":"Senior Linux System Engineer","company":{"id":445391,"name":"Alstom","domain":"alstom.com","url":"https://alion.io/company/alstom","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Montreal, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":105000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":87},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"Debian","optional":false},{"name":"FortiGate","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Nmap","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Puppet","optional":false},{"name":"Ubuntu","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Zabbix","optional":false}],"status":"live","first_seen_at":"2026-10-15T02:00:00Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-31T00:58:34Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"About Nomad Digital\nNomad Digital is the world's leading provider of passenger and fleet connectivity solutions to the railway industry. Founded in 2002, and headquartered in the UK, currently serving more than 80+ global customers - in more than 40 countries - Nomad designs, builds, deploys and manages passenger Wi-Fi and on-board passenger infotainment systems. Nomad also provides remote online condition-based monitoring and maintenance solutions for optimising fleet management, operational performance and improving fuel economy.\nWhen you join Nomad Digital, you will join a forward-thinking, fast-growing, fun environment with access to some of the very latest technology in its field. You will work with experts who innovate collaboratively, creating an environment of teamwork and trustworthiness.\nOverview\nNomad has an exciting opportunity for an experienced Senior Linux System Engineer to join our global Engineering division in Montreal, Canada.\nThis role combines deep technical expertise with mentorship, serving as a final escalation point for complex issues while also elevating the overall technical capability of the team. The Senior Engineer will drive technical excellence and ensure that the infrastructure robustly supports Nomad's business objectives.\nThe senior engineer will provide informal training to the team on Nomad process, policy, tools, and products to ensure that quality standards meet or exceed business expectations. Those environments are built, deployed, and maintained with a lean mindset in support of business objectives.\nThis is a hybrid role, requiring the successful applicant to work from their home address, with the ability to attend the Montreal office when required.\nEssential Duties and Responsibilities:\nDesign, implement, and maintain Nomad's global network and server infrastructure, including data centres, VMware, and Azure cloud environments.\nAutomate infrastructure provisioning, configuration, and management using tools such as Ansible or Puppet.\nConfigure and manage network security, including FortiGate firewalls, Linux based firewalls, VPNs, and routing protocols like BGP.\nAdminister and secure Linux-based systems (Ubuntu/Debian).\nServe as a 3rd line escalation point for complex infrastructure incidents, performing deep-dive troubleshooting and root cause analysis.\nDevelop, maintain, and proactively analyse infrastructure monitoring solutions (e.g., Zabbix) to identify bottlenecks, optimise resource utilisation, and ensure system reliability.\nManage and support containerised applications using Kubernetes, including cluster administration and lifecycle management.\nCreate and maintain comprehensive documentation for infrastructure architecture, standard operating procedures, and disaster recovery plans.\nCollaborate with InfoSec teams to conduct security audits and implement remediation plans based on security best practices (e.g., OWASP Top 10).\nDrive continuous improvement by evaluating, prototyping, and recommending new technologies and automation opportunities to modernise the infrastructure.\nGuide and mentor engineers on technical best practices, contributing to their skill development and the overall capability of the team.\nTranslate business requirements into robust technical solutions, effectively communicating the design, risks, and impact to both technical and non-technical stakeholders.\nQualifications:\nEssential\nRHCE or equivalent experience\nCCNA or equivalent networking experience\nKubernetes Certified Administrator or equivalent experience\nDesired\nMicrosoft Azure Certified or equivalent experience\nComputer Science degree or similar level of experience.\nExpereince:\nMust have 5 years minimum experience configuring and maintaining network infrastructure\nLinux based systems: Ubuntu/Debian\nAutomation tools such as Puppet, Ansible etc\nSecurity knowledge, OWASP top 10, NMAP scanning\nData center Infrastructure\nAsset management\nMonitoring solutions like Zabbix\nVMWare\nFortiGate Firewalls\nRouting protocols such as BGP\nVPN management and deployment\nAzure infrastructure management\nOther Essential Requirements:\nGood communication, planning and co-ordination skills. \nThe ability to work as both an independent problem solver and support the wider team. \nThe ability to adapt to fit the demands of the business. \nAbility to learn on the job. \nTravel Required: Yes\nKey Behavioral Competencies:\nAttention to detail \nAbility to think proactively in a fast-paced environment \nAbility to multitask effectively ensuring timelines are met \nHighly proficient in the process of testing, validating, and implementing designs into an existing and new production systems \nAbility to work well in pressurised situations \nAbility to work to set deadlines \nAbility to work independently with minimal supervision to develop and execute implementation procedures, test plans, and equipment configurations to defined timescales \nGood verbal and written communication skills, including ability to effectively communicate with internal and external customers \nSelf-motivated to take ownership of projects and deliverables \nOur Commitment:\nNomad Digital is committed to being an inclusive and diverse employer, as well as providing equal opportunities in employment and freedom from unlawful discrimination on the grounds of age, race, ethnic or national origin, sex, pregnancy and maternity, marital or civil partnership status, sexual orientation, gender reassignment, disability, religion or beliefs. \nWe encourage and welcome all job applicants, especially those from diverse backgrounds and ensure everyone is treated equally and without discrimination. \nWhere possible we are happy to consider flexible working arrangements or appropriate reasonable adjustments on request. To discuss further, please email .","description_format":"text","description_chars":5811,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule"],"hiring_locations":[{"name":"Canada","iso":"CA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Rail Transport"],"lifecycle":[{"event":"open","at":"2026-10-29T12:44:04Z"}],"visa":[],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.835,"p_room":0.55,"age_days":16,"expected_fill_days":15,"reasons":["conf:5","velocity","win:tail","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/alstom-senior-linux-system-engineer","json_url":"https://alion.io/job/alstom-senior-linux-system-engineer.json","meta":{"generated_at":"2026-10-31T16:55:47Z","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":26444,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":445391},"rest":"https://alion.io/mcp/rest/get_company?id=445391"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Falstom-senior-linux-system-engineer"},{"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%2Falstom-senior-linux-system-engineer"},{"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%2Falstom-senior-linux-system-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/alstom-senior-linux-system-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Falstom-senior-linux-system-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3457335}},{"tool":"search_jobs","arguments":{"company":"alstom.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3457335},"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. Docs: https://alion.io/developers"}}