{"id":3100310,"url":"https://alion.io/job/avensys-consulting-pte-ltd-rhel-openshift-platform-engineer","title":"RHEL & OpenShift Platform Engineer","company":{"id":2417842,"name":"Avensys Consulting Pte Ltd","domain":"aven-sys.com","url":"https://alion.io/company/aven-sys","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"middle","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":5000,"max":6700,"currency":"SGD","period":"month","gross":true,"usd_annual":62928},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"API Gateway","optional":false},{"name":"CI/CD","optional":false},{"name":"CIS Benchmarks","optional":false},{"name":"Clair","optional":false},{"name":"etcd","optional":false},{"name":"HAProxy","optional":false},{"name":"IBM MQ","optional":false},{"name":"Java","optional":false},{"name":"JQuery","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Nessus","optional":false},{"name":"OpenShift","optional":false},{"name":"Red Hat","optional":false},{"name":"COBOL","optional":true},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":null,"last_verified_at":"2026-10-22T00:00:00Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":7},"description":"Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation, and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail, and supply chain.\n\nWe are currently looking to hire an TA and Platform Engineer (RHEL & OCP Specialist). This is an exciting opportunity to expand your skill set, achieve job satisfaction, and enjoy a healthy work-life balance. More details are below.\n\nJOB TYPE\n12 Months Contract\n\nROLES AND RESPONSIBILITIES\nRHEL Platform Management (Primary Focus)\nOwn and maintain the RHEL OS fleet underpinning OCP worker/control-plane nodes and non-containerised application servers\nPlan and execute RHEL OS patching cycles (EUS channel management, kernel upgrades, reboot sequencing) with minimal service disruption\nImplement and validate OS hardening benchmarks — SELinux policies, firewalld rules, auditd configuration, and cryptographic policy settings\nTroubleshoot system-level issues: kernel parameters, resource limits (ulimits, cgroups), storage mounts (NFS, iSCSI, SMB/CIFS PVs on OCP)\nManage RHEL subscriptions, entitlements, and satellite/image registries\nOCP Cluster Administration (Primary Focus)\nDeploy, upgrade, and maintain OCP 4.x clusters — including control plane, etcd health, and worker node lifecycle\nConfigure and manage OCP Machine Config Operator (MCO) for node-level OS customisation: chrony NTP, SSH hardening, kernel arguments, and custom MachineConfigs\nManage cluster certificates, ingress/route configurations, HAProxy timeout tuning for long-running enterprise workloads (e.g., Pega BIX, batch jobs)\nAdminister Quay mirror registry — image mirroring, vulnerability scanning results, VAPT remediation for bundled components (e.g., jQuery CVEs)\nImplement OCP RBAC, SCCs, network policies, and resource quotas across multiple namespaces and project environments\nSupport JVM and container resource tuning for Java workloads on OCP (heap sizing, Metaspace limits, G1GC flags, container memory budgeting)\nApplication Platform & Integration Support\nTake ownership of one or more application platforms (e.g., Pega Infinity, WebSphere, IBM MQ) — covering setup in HA mode, application patching, and ongoing operational support\nParticipate in architecture sessions with build teams, advising on integration points (web services, MQ, SFTP, API gateway)\nSupport container provisioning, image lifecycle, and deployment of containerised services across DEV / SIT / UAT / PROD environments\nOperational Governance & Security\nDefine and execute operational processes: OS patching, application-level patching, performance monitoring, housekeeping, backup and recovery\nSupport VAPT engagements — assess Nessus/vulnerability findings, coordinate remediation, and produce risk acceptance or remediation reports\nApply government-grade security hardening principles (IM8 compliance, SSCT framework, CIS benchmarks) across RHEL and OCP layers\nContribute to DevSecOps tooling and automation concepts — CI/CD pipelines, IaC, and operational runbooks\n\nREQUIREMENTS\n\nRHEL System Administration (Required — Primary Differentiator)\nHands-on experience administering RHEL 8/9 in enterprise production environments\nProficiency in OS-level patching, package management (dnf/yum), SELinux enforcement, and system hardening per CIS/DISA benchmarks\nExperience with RHEL Extended Update Support (EUS) lifecycle management and version upgrades\nFamiliarity with RHEL subscription management, satellite server, and image-based deployments (RHEL Image Mode / Bootc)\nOpenShift Container Platform (OCP) Administration (Required — Primary Differentiator)\nHands-on experience deploying, configuring, and administering OCP 4.x clusters (bare metal or IaaS)\nProficiency with OCP Day-2 operations: node management, Machine Config Operator (MCO), cluster upgrades, certificate rotation, and resource quota management\nExperience with OCP networking (Routes, Ingress, HAProxy), storage (PV/PVC, storage classes), and role-based access control (RBAC)\nFamiliar with OCP security hardening: SSH cipher/MAC remediation via MCO, SCC policies, network policies, and image vulnerability scanning (Quay/Clair)\nExperience with Quay registry administration including mirror registry setup for air-gapped or restricted environments\nEnterprise Container Architecture & Integration Platforms\nDesigning and operating multi-tier containerised architectures on OCP/Kubernetes\nWorking knowledge of IBM MQ messaging — queue manager setup, channel administration, troubleshooting, and HA configuration\nFamiliar with microservices architecture, API gateway integration, and container image lifecycle management\nWHAT'S ON OFFER\nYou will be remunerated with an excellent salary and be entitled to attractive company benefits. Additionally, you will have the opportunity to work in a fun and collaborative environment with excellent career growth prospects.\n\nTo submit your application, please apply online or email your UPDATED CV in Microsoft Word format to . Your interest will be treated with strict confidentiality.\n\nCONSULTANT DETAILS\nConsultant Name: Keerthana Ramakrishnan\nAvensys Consulting Pte Ltd\nEA License: 12C5759\n\nPrivacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.\n\nSkills\nFocus Groups, NFS, Operation Qualification, Kubernetes, Platform Management, Patch Management, Kernel, Administration, Subscription Services, Bare Metal, Software Version Management, Entitlements, Red Hat Enterprise Linux, IaaS, Benchmarking, System Security Policies, Flight Control","description_format":"text","description_chars":5937,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-10-22T16:32:00Z"}],"visa":[],"liveness":{"score":82,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.865,"p_room":0.945,"age_days":6,"expected_fill_days":14,"reasons":["seen:6","velocity","win:mid"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":62928,"is_top_pay":false},"html_url":"https://alion.io/job/avensys-consulting-pte-ltd-rhel-openshift-platform-engineer","json_url":"https://alion.io/job/avensys-consulting-pte-ltd-rhel-openshift-platform-engineer.json","meta":{"generated_at":"2026-10-29T05:18:22Z","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":8143,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":2417842},"rest":"https://alion.io/mcp/rest/get_company?id=2417842"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Favensys-consulting-pte-ltd-rhel-openshift-platform-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%2Favensys-consulting-pte-ltd-rhel-openshift-platform-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%2Favensys-consulting-pte-ltd-rhel-openshift-platform-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/avensys-consulting-pte-ltd-rhel-openshift-platform-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Favensys-consulting-pte-ltd-rhel-openshift-platform-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3100310}},{"tool":"search_jobs","arguments":{"company":"aven-sys.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3100310},"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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