{"id":4018630,"url":"https://alion.io/job/unisys-associate-principal-maintenance-support-engineer","title":"Associate Principal Maintenance & Support Engineer","company":{"id":6839,"name":"Unisys","domain":"unisys.com","url":"https://alion.io/company/unisys","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":84,"ghost_share":0,"stale_share":0.881,"repost_share":0.012,"time_to_fill_p50_days":30,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Milton Keynes, 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":"Apache HTTP Server","optional":false},{"name":"Apache Tomcat","optional":false},{"name":"IBM MQ","optional":false},{"name":"Linux","optional":false},{"name":"Oracle","optional":false},{"name":"Red Hat","optional":false},{"name":"SQL","optional":false},{"name":"VMWare","optional":false},{"name":"Windows Server","optional":false},{"name":"Azure","optional":true},{"name":"COBOL","optional":true},{"name":"Java","optional":true},{"name":"MS SQL","optional":true},{"name":"PostgreSQL","optional":true}],"status":"live","first_seen_at":"2026-11-10T14:07:40Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-11T01:43:18Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"What success looks like in this role:\nWe are seeking an experienced Associate Principal Maintenance & Support Engineer to join a highly secure team. This is a senior, hands-on Maintenance & Support Engineering position requiring a technically skilled professional who can provide expert support across a complex infrastructure, applications, and data management environment. This role will offer the successful candidate the opportunity to support a diverse range of mission critical applications which are at the core of Justice, Law Enforcement and Border Security agencies within the UK.\nThe successful candidate will play a key role in maintaining service availability, resolving complex technical issues, implementing upgrades and enhancements, and supporting critical systems that underpin operational services. You MUST be eligible for Security Clearance for this opportunity\nDue to the secure nature of the project, this role is primarily office-based in Milton Keynes. Limited hybrid working may be considered after a significant onboarding period, subject to business requirements and operational needs.\nKey Responsibilities\nResearch, diagnose, and resolve complex technical and system issues.\nInvestigate and manage escalated production, integration, and application support incidents.\nPerform installation, configuration, maintenance, patching, and upgrades across the infrastructure estate.\nCollaborate with clients, internal stakeholders, and technical teams to understand and address evolving business requirements.\nMonitor system health, network connectivity, alerts, and service interdependencies to ensure optimal performance and availability.\nMaintain and enhance infrastructure, applications, and supporting platforms.\nProduce and maintain comprehensive technical documentation.\nEnsure all work is completed in accordance with industry standards, security requirements, and organisational best practices.\nParticipate in an out-of-hours support rota as required.\nYou will be successful in this role if you have:\nEssential Skills and Experience\nThe successful candidate will possess strong experience across multiple infrastructure and platform technologies, including:\nOperating Systems & Infrastructure\nRed Hat Enterprise Linux administration, patching, troubleshooting, and maintenance.\nWindows Server administration, patching, domain management, and support.\nIP networking fundamentals and troubleshooting.\nVirtualisation Technologies\nVMware vSphere Hypervisor\nVMware vCenter Server\nVMware vSphere Replication\nVMware Site Recovery Manager (SRM)\nExperience with platform maintenance, upgrades, troubleshooting, and support is essential. Installation experience is advantageous.\nDatabase Technologies\nOracle Database administration and support\nDatabase patching and maintenance\nSQL scripting\nRMAN backup and recovery\nOracle RAC experience beneficial\nMiddleware & Application Support\nOpenLDAP administration, maintenance, and bulk user management.\nIBM MQ administration, support, and upgrades.\nJBoss application server support.\nApache Web Server administration.\nApache Tomcat administration and troubleshooting.\nSecurity & Endpoint Management\nSymantec Endpoint Protection / Antivirus administration.\nSecurity-focused operational support within enterprise environments.\nSecurity Requirements\nCurrent or eligibility to obtain Security Clearance (SC).\nCurrent or eligibility to obtain NPPV3 clearance.\nDesirable Skills\nExperience with any of the following technologies would be advantageous:\nMicrosoft SQL Server\nPostgreSQL\nMongoDB\nMicrosoft Azure\nZoho Analytics, including:Installation and upgrades\nMaintenance and support\nBulk data export and management\n\nPersonal Attributes\nSelf-motivated and proactive with a strong sense of ownership.\nExcellent analytical and problem-solving capabilities.\nStrong communication and stakeholder management skills.\nAbility to manage multiple priorities in a complex technical environment.\nComfortable working independently and collaboratively within cross-functional teams.\nCommitment to maintaining high standards of service delivery and customer satisfaction.\nUnisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.\nThis commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at  or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys’ EEO commitment here.","description_format":"text","description_chars":5151,"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":["Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Infrastructure & Networking Services","IT Help Desk & Service Desk","IT Consulting & Digital Transformation","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-11-10T14:07:40Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Service Supplier, Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Service Supplier; Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-11-10T11:34:35+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":30,"reasons":["conf:0","win:early","comp:brand"],"computed_at":"2026-11-11T02:31:54Z"},"pay":null,"html_url":"https://alion.io/job/unisys-associate-principal-maintenance-support-engineer","json_url":"https://alion.io/job/unisys-associate-principal-maintenance-support-engineer.json","meta":{"generated_at":"2026-11-11T02:31:54Z","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":668,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"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":6839},"rest":"https://alion.io/mcp/rest/get_company?id=6839"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Funisys-associate-principal-maintenance-support-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%2Funisys-associate-principal-maintenance-support-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%2Funisys-associate-principal-maintenance-support-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/unisys-associate-principal-maintenance-support-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Funisys-associate-principal-maintenance-support-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4018630}},{"tool":"search_jobs","arguments":{"company":"unisys.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4018630},"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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