Job#: 3056712 Job Description:Senior Linux/Unix Systems Engineer
Location: Washington, D.C. (Hybrid)
Role Overview
The Senior Linux/Unix Systems Engineer will serve as the senior technical authority for the agency's Linux platform. This hands-on engineering role holds design ownership for the Red Hat Enterprise Linux (RHEL) and Oracle Linux environment hosting mission-critical applications. Responsibilities include defining platform standards, designing automation workflows, leading modernization initiatives, and serving as the final escalation point for complex technical issues. The position requires a balance of advanced technical execution and mentorship of junior administration staff.
Key Responsibilities
- Design and maintain the enterprise patch and configuration management architecture using Red Hat Satellite and Ansible to establish automated, version-controlled workflows.
- Lead operating system lifecycle management and major version migration engineering, including upgrade paths, database operating systems, and migrations from on-premises environments to cloud structures.
- Author and maintain security hardening baselines aligned to industry benchmarks, manage vulnerability remediation, and support federal compliance frameworks.
- Perform performance engineering, capacity planning, and trend analysis to proactively remediate systemic platform conditions.
- Engineer and validate high availability, backup, and disaster recovery solutions through scheduled testing.
- Serve as the senior escalation point for platform incidents, leading technical recovery efforts and authoring formal root cause analyses.
- Mentor junior and mid-level systems administrators, conducting peer reviews of scripts, configurations, and change records.
- Represent the systems engineering platform in change control, architecture review, and technical planning forums to brief stakeholders.
Required Qualifications
- Bachelor's degree in computer science, information systems, engineering, or a related technical field. Equivalent professional experience may substitute for the degree requirement.
- Must have at least 8 years of Linux RHEL experience
- 8+ years of progressive Linux/Unix administration and engineering experience, with 3+ years performing at a senior, lead, or principal level with design and architecture ownership in an enterprise environment.
- Advanced Red Hat Enterprise Linux administration, working knowledge of Oracle Linux, and experience with enterprise automation tools like Ansible or Red Hat Satellite.
- Proficiency in shell scripting languages such as Bash or Python, version control systems like Git, virtualization technologies, and networking protocols including TCP/IP, DNS, and HTTP/HTTPS is required.
Required Certifications
- Red Hat Certified System Administrator (RHCSA)
- Security+ Certification
Preferred Qualifications
- Red Hat Certified Engineer (RHCE) or Linux Professional Institute Certification (LPIC-2)
- CompTIA Linux+
- AWS or Microsoft Azure associate-level certification
PLEASE NOTE: Candidates must be able to obtain and/or maintain a Public Trust clearance as a condition and continuation of employment.
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 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
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. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
