Linux System Administrator

Description**TOP SECRET CLEARANCE * SEC+ CERT REQUIRED DAY 1****IT - Linux Systems AdministratorPrimary ResponsibilitiesAs part of a cross-functional team, this role partners closely with organization members to support Linux-focused environments within secure labs. Responsibilities span Tier 1 through Tier 3 support, handling everything from frontline service requests to advanced engineering and troubleshooting. Tier 1 Frontline Support: Respond to service requests, perform initial triage, gather required information, and provide first-line troubleshooting or escalation for Linux environments. Tier 2 Intermediate Support: Implement, configure, and maintain Linux solutions, server hardware, virtualization platforms, and networking/storage technologies. Deploy updates and support operational stability efforts. Tier 3 Advanced Engineering & Security Support: Resolve complex technical issues, handle advanced system escalations, and drive cross-functional resolutions across support levels. Security, Hardening & Compliance: Utilize OpenSCAP, implement DISA STIG and NIST 800-53 security baselines, and execute automated system hardening and compliance remediation across enterprise assets. Automation & Security Tooling: Contribute to automation, configuration management (Ansible preferred), and operational stability initiatives using industry-standard sec tools (such as vulnerability scanners and compliance auditing frameworks). Process Improvement: Participate in the improvement of internal processes using frameworks such as LEAN, ACE, and CORE. Collaboration & Communication: Build strong working relationships with customers and peers, foster connections with domestic U.S. DT peers, and effectively communicate with Engineering leadership to provide ROI based on project performance.Qualifications Experience: University Degree with a minimum of 2 years of prior relevant experience, an Advanced Degree in a related field, or 5+ years of relevant experience in lieu of a degree. Technical Skills (Required): Professional experience supporting Linux Systems Administration (RHEL and Ubuntu required), server administration, virtualization technologies (e.g., VMware), networking fundamentals, and compliance frameworks (NIST 800-53, DISA STIG). OpenSCAP and security hardening experience strongly preferred. Ansible experience is heavily preferred. Certification (Required): Active DoD 8570/8140 IAT Level II certification (e.g., CompTIA Security+) or higher. Clearance (Required): Active Top Secret Government Security Clearance. Certifications (Preferred):o Linux administration certifications (RHCSA, RHCE, Ubuntu, etc.)o Automation / configuration management certifications (Ansible, Puppet, etc.)o Security certifications (Sec+, CISSP, etc.)Additional Details Environment: Secure Labs / professional environment experience preferred.SkillsLinux, System administrator, Red hat, Active directory, Vmware, Ansible, Scripting, Automation, Rhel, InfrastructureTop Skills DetailsLinux,System administrator,Red hat,Active directoryAdditional Skills & QualificationsQualifications Experience: University Degree with a minimum of 2 years of prior relevant experience, an Advanced Degree in a related field, or 5+ years of relevant experience in lieu of a degree. Technical Skills (Required): Professional experience supporting Linux Systems Administration (RHEL and Ubuntu required), server administration, virtualization technologies (e.g., VMware), networking fundamentals, and compliance frameworks (NIST 800-53, DISA STIG). OpenSCAP and security hardening experience strongly preferred. Ansible experience is heavily preferred. Certification (Required): Active DoD 8570/8140 IAT Level II certification (e.g., CompTIA Security+) or higher. Clearance (Required): Active Top Secret Government Security Clearance. Certifications (Preferred):o Linux administration certifications (RHCSA, RHCE, Ubuntu, etc.)o Automation / configuration management certifications (Ansible, Puppet, etc.)o Security certifications (Sec+, CISSP, etc.)Additional Details Environment: Secure Labs / professional environment experience preferred.Job Type & LocationThis is a Contract position based out of Richardson, TX. Pay and BenefitsThe pay range for this position is $45.00 - $52.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits

available for this temporary role may include the following:

Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) Job Type & LocationThis is a Contract position based out of Richardson, TX. Application DeadlineThis position is anticipated to close on Nov 17, 2026. Workplace TypeThis is a fully onsite position in Richardson,TX.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.