Unix - Linux Engineer job at Apex Systems in San Antonio, TX
Title: Unix/Linux Engineer Location: San Antonio, Texas (Remote) Job Description: Job#: 3036485 Role Overview We are seeking a Unix/Linux Engineer with hands-on experience in configuring and troubleshooting SSSD, Linux authentication, and enterprise identity integrations. The engineer will support secure OS-level authentication, privilege models, and baseline hardening across a large, complex environment.
Key Responsibilities
- Configure and troubleshoot System Security Services Daemon (SSSD), Kerberos, LDAP, and AD integration.
- Troubleshoot authentication failures, caching issues, domain joins, and cross-realm trust problems.
- Manage RHEL/CentOS/Ubuntu environments, including PAM stack configurations and sudo policy management.
- Implement Linux hardening and secure access patterns.
- Work with Endpoint Privileged Management solutions.
- Utilize automation tools such as bash, Puppet, Ansible, or Python.
Company Overview & Culture This organization is a prominent entity within the Financial Services and Insurance industries. We are committed to providing exceptional service and fostering a professional work environment. Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth 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 ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy Everforth Apex Benefits Overview: Everforth 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. Everforth 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, Everforth 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. Everforth 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 Everforth Apex team member can provide. Everforth 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. UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems. Employee Type: Contract Remote: Yes Location: San Antonio, TX, US Job Type: Date Posted: June 1, 2026 Pay Range: $90 - $142 per hour