{"id":3419679,"url":"https://alion.io/job/resource-management-concepts-senior-linux-engineer-2","title":"Senior Linux Engineer","company":{"id":5221,"name":"Resource Management Concepts","domain":"resource-management-concepts.com","url":"https://alion.io/company/resource-management-concepts","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":90,"open_postings":5,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-11-05T05:54:30Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bethesda, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":165000,"max":205000,"currency":"USD","period":"year","gross":null,"usd_annual":205000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Ansible","optional":false},{"name":"AWX","optional":false},{"name":"Bash","optional":false},{"name":"CentOS Stream","optional":false},{"name":"CI/CD","optional":false},{"name":"Configuration Management","optional":false},{"name":"DNS","optional":false},{"name":"Docker","optional":false},{"name":"Dynatrace","optional":false},{"name":"Git","optional":false},{"name":"GitLab","optional":false},{"name":"GitLab CI","optional":false},{"name":"GitOps","optional":false},{"name":"Hyper-V","optional":false},{"name":"KVM","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false},{"name":"Perl","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"ServiceNow","optional":false},{"name":"Splunk","optional":false},{"name":"Ubuntu","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false},{"name":"Xen","optional":false}],"status":"live","first_seen_at":"2026-10-28T20:36:45Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-05T15:36:29Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Resource Management Concepts, Inc. (RMC) delivers innovative management and technology solutions to government and commercial clients. This is a 100% on-site position supporting enterprise Linux operations. The Senior Linux Engineer will administer, secure, troubleshoot, and sustain Linux infrastructure while using Red Hat Ansible Automation Platform (AAP) to improve reliability, patching, configuration management, and vulnerability remediation. The position serves as a senior escalation point, leads recovery during major outages, and mentors Linux support personnel.\nKey Responsibilities\nInstall, configure, administer, patch, and sustain enterprise Linux servers and workstations across physical, virtual, and cloud environments. Manage accounts, groups, permissions, access controls, system services, repositories, SELinux, LVM, partitions, and filesystems.\nAdminister and troubleshoot LDAP, NFS, DNS, SSH, and enterprise identity services, including integration with Windows Active Directory.\nProvide Tier I-III operational support, including ServiceNow incident intake, triage, escalation, customer communication, and resolution. Diagnose kernel, boot, service, security, networking, and performance issues using system diagnostics and log analysis.\nLead major outage response, root cause analysis, forensic investigation, and service restoration. Tune CPU, memory, and I/O performance and implement corrective actions to prevent recurrence.\nAdminister SAN/NAS storage, RAID, multipathing, backups, and restores. Support application deployments, virtualization, high availability, clustering, and disaster recovery; validate recovery procedures.\nDeploy, upgrade, administer, and optimize AAP 2.x, including Automation Controller, Private Automation Hub, Execution Environments, inventories, projects, credentials, templates, workflows, and RBAC.\nDevelop, test, troubleshoot, and maintain Ansible playbooks, roles, collections, and Python, Bash, and Perl scripts for provisioning, patching, configuration management, diagnostics, reporting, and routine operations. Build Execution Environments using ansible-builder and modernize legacy Tower/AWX workflows.\nIntegrate automation with ServiceNow, Git/GitLab, Red Hat Satellite, Splunk, Dynatrace, vulnerability-management platforms, and monitoring tools. Maintain GitLab CI/CD, GitOps, configuration-as-code practices, and Docker container operations.\nImplement and automate DISA STIG configurations, ACAS remediation, Linux hardening, and compliance activities supporting RMF and NIST SP 800-53 controls.\nMaintain architecture diagrams, operational procedures, configuration records, and recovery instructions. Mentor Tier I and Tier II personnel in administration, troubleshooting, escalation, and customer support.\nRequirements\nActive Department of Defense Top Secret security clearance.\nMinimum 10 years of hands-on Linux system administration experience, including at least five years of full-time operations and maintenance demonstrating expert knowledge of Linux security and network/distributed computing concepts.\nMinimum five years of experience writing and maintaining Linux shell and Perl scripts, with expert scripting ability, strong Python and Bash skills, and experience diagnosing scripting errors.\nMinimum three years of hands-on AAP experience, including platform administration, complex playbooks, roles, custom collections, reusable automation content, and Execution Environments built with ansible-builder.\nDeep RHEL internals knowledge, including RHEL 8/9, and working knowledge of CentOS, Rocky Linux, and Ubuntu. Strong CLI proficiency using systemd, journalctl, /var/log, chmod, chown, yum, dnf, apt, ping, netstat, and ss.\nExpertise in LDAP, NFS, DNS, SSH, Active Directory integration, account and access management, sudoers, SELinux, Linux storage administration, and secure image deployment.\nExperience troubleshooting kernel, service, security, and performance issues; tuning CPU, memory, and I/O; and supporting routing, firewalls, and distributed systems.\nExperience with SAN/NAS, RAID, multipathing, backups/restores, high availability, clustering, and virtualization platforms including VMware ESXi, Hyper-V, Linux KVM, and Xen/XCP-NG.\nExperience with Docker, GitLab CI/CD, GitOps, configuration as code, Red Hat Satellite, and automation integrations.\nExperience implementing and automating DISA STIG compliance, Linux hardening, ACAS remediation, and vulnerability management using RMF and NIST SP 800-53 controls.\nExperience leading major outage recovery, performing root cause analysis, forensic investigation, and log correlation.\nMinimum one year of help desk or direct IT customer support experience, demonstrating communication, teamwork, and customer service skills; familiarity with ServiceNow incident workflows.\nExperience mentoring technical personnel and preparing architecture documentation, SOPs, and recovery procedures.\nAssociate degree or higher in computer engineering, computer science, or information technology from an accredited college or university.\nCompleted Linux operating system training, maintained current throughout employment.\nRequired Certifications\nActive DoD IAT Level III baseline certification, such as CompTIA SecurityX ce (formerly CASP+), CISSP, CISA, CCNP Security, GCED, or GCIH.\nRed Hat Certified System Administrator (RHCSA) and Red Hat Certified Engineer (RHCE).\nBenefits\nAt RMC, we're committed to your career growth! RMC differentiates itself from other firms through its investment in our employees. We invest our resources to train, certify, educate, and build our employees.\nRMC can offer you a great place to work with a small company feel and give you the experience, tuition assistance, and certifications that will take your career to the next level. This also includes a competitive paid vacation package with 11 paid federal holidays. Additionally, we also offer high-quality, low-deductible healthcare plans, pet insurance, and a competitive 401K package.\nSalary at RMC is determined by various factors, including but not limited to location, a candidate's specific combination of education, knowledge, skills, competencies, and experience, as well as contract-specific requirements. The current salary range for this position will be $165,000 to $205,000 (annually).","description_format":"text","description_chars":6320,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["401k plan"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Security","IT Consulting & Digital Transformation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-28T20:36:45Z"}],"visa":[],"liveness":{"score":84,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.887,"p_room":0.945,"age_days":7,"expected_fill_days":21,"reasons":["conf:0","velocity","win:mid"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":205000,"is_top_pay":true},"html_url":"https://alion.io/job/resource-management-concepts-senior-linux-engineer-2","json_url":"https://alion.io/job/resource-management-concepts-senior-linux-engineer-2.json","meta":{"generated_at":"2026-11-05T18:40:36Z","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":24732,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"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":5221},"rest":"https://alion.io/mcp/rest/get_company?id=5221"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fresource-management-concepts-senior-linux-engineer-2"},{"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%2Fresource-management-concepts-senior-linux-engineer-2"},{"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%2Fresource-management-concepts-senior-linux-engineer-2"},{"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/resource-management-concepts-senior-linux-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fresource-management-concepts-senior-linux-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3419679}},{"tool":"search_jobs","arguments":{"company":"resource-management-concepts.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3419679},"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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