What are the responsibilities and job description for the Linux/AIX Engineer position at Apex Systems?
Job#: 3026313
Job Description:
Mid–Senior Linux Engineer – Onsite | Contract‑to‑Hire
A major technology services provider supporting a large county‑wide enterprise environment is seeking a Mid–Senior Linux Engineer for a long‑term contract‑to‑hire opportunity. This position plays a critical role in maintaining and advancing core infrastructure that supports essential public‑sector operations. The environment is mature, stable, and highly collaborative, with long‑standing program continuity.
This opening is a backfill for a senior Linux/AIX engineer who was foundational to ongoing platform and ERP initiatives.
AIX is strongly preffered.
Position Overview
The Linux Engineer will support a large enterprise environment with a heavy focus on Red Hat Enterprise Linux and automation. The role requires strong hands‑on operational experience, deep troubleshooting skills, and the ability to support mission‑critical systems. AIX experience is highly preferred, though Linux is the primary workload.
Work Model & Location
This role supports a large, county‑wide managed services program with a long history of stability and ongoing modernization initiatives. The team values reliability, ownership, and strong operational discipline. Engineers who enjoy deep technical work, automation, and supporting critical infrastructure will thrive here.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is part of the Commercial Segment of ASGN Incorporated.
NYSE: ASGN
4400 Cox Road
Suite 200
Glen Allen, Virginia 23060
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.
Job Description:
Mid–Senior Linux Engineer – Onsite | Contract‑to‑Hire
A major technology services provider supporting a large county‑wide enterprise environment is seeking a Mid–Senior Linux Engineer for a long‑term contract‑to‑hire opportunity. This position plays a critical role in maintaining and advancing core infrastructure that supports essential public‑sector operations. The environment is mature, stable, and highly collaborative, with long‑standing program continuity.
This opening is a backfill for a senior Linux/AIX engineer who was foundational to ongoing platform and ERP initiatives.
AIX is strongly preffered.
Position Overview
The Linux Engineer will support a large enterprise environment with a heavy focus on Red Hat Enterprise Linux and automation. The role requires strong hands‑on operational experience, deep troubleshooting skills, and the ability to support mission‑critical systems. AIX experience is highly preferred, though Linux is the primary workload.
Work Model & Location
- Onsite in Santa Ana, CA
- Standard business hours with occasional after‑hours maintenance
- 6‑month contract‑to‑hire
- Long‑term program stability (multi‑year contract extension already in place)
- Administer and support enterprise Red Hat Linux environments across production and non‑production systems
- Perform monthly patching, system hardening, and compliance activities
- Troubleshoot OS‑level, application‑level, and infrastructure‑level issues
- Manage privileged access integrations and security controls
- Automate operational tasks using Ansible or similar tools
- Support ERP‑related infrastructure and other mission‑critical platforms
- Collaborate with cross‑functional teams, including network, storage, and application groups
- Participate in on‑call rotations and support high‑availability environments
- Contribute to documentation, runbooks, and operational standards
- Provide AIX support where applicable (preferred but not required)
- 5 years of hands‑on Linux engineering or administration experience
- Strong experience with Red Hat Enterprise Linux in large enterprise environments
- Proficiency with:
- System patching, hardening, and lifecycle management
- Troubleshooting performance, networking, and OS‑level issues
- Privileged access tools and security integrations
- Experience with Ansible (or similar automation tools) for operational automation
- Ability to operate as an “in‑the‑trenches” engineer—hands‑on, detail‑oriented, and execution‑focused
- Strong communication skills and ability to work in a collaborative team environment
- Must have lived in the U.S. for 10 years (background requirement)
- AIX administration experience (LPARs, VIOS, storage integration, patching)
- Experience supporting ERP or large enterprise application environments
- Familiarity with virtualization platforms (VMware preferred)
- Experience with monitoring, logging, and configuration management tools
- Scripting experience (Bash, Python, or similar)
This role supports a large, county‑wide managed services program with a long history of stability and ongoing modernization initiatives. The team values reliability, ownership, and strong operational discipline. Engineers who enjoy deep technical work, automation, and supporting critical infrastructure will thrive here.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.
Apex Systems is part of the Commercial Segment of ASGN Incorporated.
NYSE: ASGN
4400 Cox Road
Suite 200
Glen Allen, Virginia 23060
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.
Salary : $60 - $90