UNIX/LINUX System Engineer - Mid
Leidos · United States
- Hybrid
- Full-time
- $120,000 / year
- United States
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Job highlights
- Administer UNIX/Linux servers daily for stability.
- Perform patching, hardening, and automated deployments.
- Manage virtualized server environments.
- Troubleshoot and escalate system incidents.
- Requires RHCSA certification and 4 years experience.
About the role
UNIX/Linux System Engineer - Mid
The UNIX LINUX System Engineer - Mid provides day-to-day administration of UNIX/Linux server infrastructure supporting the SEC ISS contract, SEC OIT mission operations, and HALSI/HPC service environments. This role maintains secure, stable server operations across physical and virtual environments, including imaging, patching, hardening, and automated deployment activities. The engineer supports ISS server management objectives in the PWS, including operational reliability and alignment with SEC security and compliance requirements. The position partners with senior engineers and operations teams to resolve incidents quickly, maintain service continuity, and maintain required ticketing and change-control records.
Primary Responsibilities
UNIX/Linux Server Administration
- Administer UNIX/Linux servers on a daily basis to ensure availability, performance, and operational stability.
- Maintain server hardware and operating system software across assigned environments.
- Build and image servers using approved imaging and provisioning tools.
- Execute routine maintenance activities, including updates, configuration changes, and lifecycle tasks.
Patching, Hardening, and Compliance
- Perform regular patching of UNIX/Linux systems to maintain security posture and platform currency.
- Apply server hardening standards and secure configuration baselines in accordance with SEC policy direction.
- Perform automated deployments for approved UNIX/Linux server builds and updates.
- Maintain technical documentation and change-control records to support operational governance and audit readiness.
Virtualization and Automated Deployment
- Work primarily in virtualized infrastructure environments supporting UNIX/Linux guest systems.
- Support repeatable deployment and configuration activities for UNIX/Linux systems using approved enterprise methods.
- Assist with operational monitoring and system health activities for virtual server environments.
- Coordinate with platform teams to implement approved infrastructure changes with minimal service disruption.
Troubleshooting and Operational Support
- Perform basic troubleshooting and restoration for UNIX/Linux server incidents and service issues.
- Escalate complex technical issues to Senior Administrators with clear diagnostics and impact details.
- Update incident, request, and change records in approved ticketing systems.
- Collaborate across infrastructure and operations teams to improve reliability and reduce repeat incidents.
Required Qualifications
- This position is restricted to U.S. citizens only. Applicants must not hold dual citizenship with any other country to be eligible for work under this contract.
- Bachelor's degree in a relevant field (e.g., Information Technology, Computer Science, Engineering). In lieu of degree, additional experience may be required.
- Ability to obtain and maintain SEC Public Trust.
- Minimum 4 years of experience administrating servers and systems, specializing in UNIX/Linux operating systems or additional year of experience can be considered in lieu of degree.
- Must possess a Red Hat Certified System Administrator (RHCSA) certification or equivalent.
- Experience with server imaging, patching, hardening, automated deployments, basic troubleshooting, and escalation in virtualized environments.
- Experience with UNIX/Linux system administration.
- Experience with server hardware and operating system maintenance.
- Experience with server imaging using common imaging tools.
- Experience with patching, hardening, and automated server deployments.
- Experience with basic troubleshooting and escalation of complex issues to Senior Administrators.
- Experience with operations in virtualized server environments.
Preferred Qualifications
- Red Hat Certified Engineer (RHCE) or higher-level Linux certification.
- Experience supporting federal IT environments with FISMA/NIST security and compliance requirements.
- Experience supporting HALSI/HPC operational environments.
- Experience with configuration management or scripting-based automation tools (e.g., Ansible or comparable tools).
- RHCE, CompTIA Security+, VMware Certified Professional (VCP).
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Key skills/competency
- UNIX/Linux System Administration
- Server Patching and Hardening
- Automated Deployment
- Virtualization Technologies
- Troubleshooting and Problem Solving
- Security Compliance (FISMA/NIST)
- Configuration Management
- System Monitoring
- Red Hat Certifications (RHCSA/RHCE)
- Technical Documentation
Skills & topics
- UNIX System Engineer
- Linux System Engineer
- System Administration
- Server Management
- Red Hat
- RHCSA
- RHCE
- Virtualization
- Automated Deployment
- IT Security
- Federal IT
- Leidos
- SEC ISS Contract
- Public Trust
- Remote
How to get hired
- Tailor your resume: Highlight your UNIX/Linux system administration experience, RHCSA certification, and familiarity with patching, hardening, and automated deployments.
- Emphasize relevant experience: Showcase your background in virtualized environments and troubleshooting complex technical issues to align with Leidos' needs for the UNIX Linux System Engineer role.
- Prepare for technical questions: Be ready to discuss your experience with server imaging, scripting, and security compliance in federal IT settings.
- Demonstrate problem-solving skills: Articulate how you've escalated and resolved critical incidents, showcasing your ability to maintain service continuity.
- Understand the mission: Research Leidos' commitment to outthinking and outbuilding the status quo to show alignment with their values.
Technical preparation
Practice UNIX/Linux command-line operations.,Review server hardening and security best practices.,Familiarize yourself with virtualization concepts.,Study automated deployment tools like Ansible.
Behavioral questions
Describe a complex server issue you resolved.,How do you handle urgent system patching requests?,Explain your process for escalating technical problems.,How do you ensure system stability and compliance?
Frequently asked questions
- What is the salary range for a UNIX Linux System Engineer at Leidos?
- The pay range for this UNIX Linux System Engineer position at Leidos is $87,100.00 - $157,450.00 annually. This is a general guideline and actual compensation may vary based on factors such as experience, education, and specific job responsibilities.
- What are the key technical skills required for the UNIX Linux System Engineer role at Leidos?
- The key technical skills for the UNIX Linux System Engineer role include daily UNIX/Linux server administration, server hardware and operating system maintenance, server imaging, patching, hardening, automated deployments, basic troubleshooting, and experience in virtualized server environments. A Red Hat Certified System Administrator (RHCSA) certification is also required.
- Does Leidos offer remote work for the UNIX Linux System Engineer position?
- Yes, the job description indicates this UNIX Linux System Engineer position is remote.
- What is the required education and experience for a UNIX Linux System Engineer at Leidos?
- A Bachelor's degree in a relevant field is preferred, but equivalent additional experience in server administration, specializing in UNIX/Linux operating systems, will be considered. A minimum of 4 years of relevant experience is required.
- What security clearance is needed for this UNIX Linux System Engineer job?
- Candidates for this UNIX Linux System Engineer position must be able to obtain and maintain a SEC Public Trust clearance. Additionally, the role is restricted to U.S. citizens only, and applicants must not hold dual citizenship.
- How can I make my resume stand out for a UNIX Linux System Engineer application at Leidos?
- To make your resume stand out for a UNIX Linux System Engineer role at Leidos, emphasize your hands-on experience with UNIX/Linux administration, your RHCSA certification, any experience with server imaging, patching, hardening, and automated deployments, and your ability to work in virtualized environments. Quantify your achievements whenever possible.
- What are the preferred qualifications for the UNIX Linux System Engineer role at Leidos?
- Preferred qualifications for the UNIX Linux System Engineer role include a Red Hat Certified Engineer (RHCE) or higher Linux certification, experience with federal IT environments and FISMA/NIST compliance, experience with HALSI/HPC operational environments, and familiarity with configuration management or scripting-based automation tools like Ansible.