Linux System Administrator

WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership Because who you work with matters. ________________________________________________________________________ The candidate will participate in a new long-term effort to consolidate a diverse set of systems into a new cohesive solution that improves system manageability and security, while providing enhanced capability with a strong focus on improved user experience. The candidate will be a part of the early stages of this high visibility effort and help build a sound foundation to ensure the project’s continued success. Responsibilities: Work with current owners and administrators to understand existing systems, requirements, and problem areas. Provide direct input for organization long-term efforts and visions for future architecture and design. Provide system administration functions to fix critical problems or implement stop-gap solutions as part of the transition to the new consolidated architecture. Translate existing requirements and use-cases of current systems into scalable and supportable long-term solutions. Implement and support final solution(s). Participate in frequent internal engineering and strategy team meetings. Build direct customer relationships to improve organizational feedback loop. Required Skills: Extensive RedHat (RHEL), CentOs Linux, and/or UNIX experience. Experience managing NiFi data flows. Experience with VMWare or associate technologies (ESX, NSX, VSAN, KVM, Nutanix or other). Ansible or other automation platform/methodology experience. System scanning/hardening – STIGS/CIS Compliance. Proficiency installing, hardening, patching, and backup/restoration of Linux systems. Understanding of system monitoring, health/status, and best practice security methodologies. Familiarity with Windows Server environments Desired Skills: Docker, Kubernetes, and AWS familiarity. Understanding of Active Directory or FreeIPA. Familiarity with nginx, HAProxy, or other load balancer technologies. Python experience. Familiarity with Git/GitLab. Storage Technology experience including hyper converged, SAN, or IP based storage. Past experience supporting managed attribution programs. RHCSA (Red Hat Certified System Administrator) and/or RHCE (Red Hat Certified Engineer) certification. Experience/Education: 9 yrs. experience in System Administration Clearance: TS/SCI clearance with polygraph is required. Total Compensation Package  We offer a comprehensive compensation package designed to support your well-being and professional growth. Our competitive base salary is complemented by an extensive benefits program, including:  Health, Dental, and Vision Insurance: Comprehensive coverage to keep you and your family healthy. Life and Disability Insurance: Peace of mind with financial protection for you and your loved ones.  401(k) Plan: No personal investment required to benefit from a generous employer contribution, allowing you to maximize your take-home pay.  Paid Time Off: Enjoy time away from work to recharge.  Technology Refresh: Upgrade your devices regularly, or opt for a year-end bonus if you don’t need new tech.  Training and Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships.  Or use this annual benefit to repay a student loan tax-free.  For a full overview of our benefits, please visit our benefits tab.  Additional Perks and Benefits  Stock Plan: Become an equity owner with a yearly stock grant—let's build the future together.  Flex Leave and Exchange Plan: Take up to 8 weeks off for a strong work-life balance or sell back unused time for double the value!  Virtual Office Compensation: Monthly reimbursement for cell phone and internet services.  Fringe Benefit Mall: Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best!  Profit-Sharing Cash Bonus: Share in the company’s success with an end-of-year cash bonus.  Referral Bonus: Help us grow by bringing in top talent and earn a bonus for each successful referral.

Created: 2026-03-04