via Greenhouse
$85K - 120K a year
Design, deploy, and maintain IT environments while supporting federal customers and ensuring 24/7 emergency response.
Over 10 years experience, TS clearance, proficiency in Linux, Windows, network infrastructure, scripting, virtualization, and hardware diagnostics.
I.T. Specialist Job Type: System Administrator Location: Sterling, VA Clearance Requirements: TS Years of Experience: 10+ Work site blend: 2-3 days a week in office 2 days a week WFH Working with SIXGEN SIXGEN is committed to solving our customers’ hardest problems with eagerness, effectiveness, and efficiency. We reject the status quo and constantly look for new ways to push the boundaries of our field. SIXGEN is a small company that works with the big picture in mind, taking on projects with real significance that grow our capacity to tackle even more fascinating development problems. We’ve earned a reputation for efficiency, effectiveness, and impact since our founding. SIXGEN recognizes that a company is nothing without well-cared for employees. We cultivate an encouraging and innovative workplace environment and give employees flexibility to work on their own terms. SIXGEN offers industry-leading benefits, including Employer-funded health, dental, vision, and life insurance Flexible leave policy (Need Vacation - Take It!) Flexible hours and opportunities to work from home 4% 401(k) contribution, vested immediately Reimbursements for training events, gym memberships, cell phone and internet bills, and lunches with coworkers Why You Matter At SIXGEN, you’ll provide meaningful support to our federal customers. Your commitment to our customers’ missions, curiosity, and attention to detail will make you a valuable addition to the SIXGEN team. We are looking for an IT professional with a diverse set of skills and the ability to respond and adapt to unique requirements. Our ideal candidate has a wide range of knowledge and experience and is excited to continue learning and developing. Communication is paramount in this position. We are interested in hiring an effective team member who will actively engage with our administrative and engineering teams and work closely with other IT staff to design and implement systems and solutions. The candidate will join a team of fellow Information Technology professionals and specialists. Required Skills: We are looking for candidates who have experience in the following areas and who are willing to learn and develop skills in all of these areas. Linux administration including all aspects of deployment, maintenance, and configuration of multiple distributions. Experience architecting sensitive, classified, and/or isolated development systems and enclaves Virtualization and containers, especially ProxMox VE, and docker. Program I.T or P.I.T. maintenance experience Familiarity with encryption and PKI concepts and tools including PGP email integration, step-ca deployment, and full disk encryption. Microsoft Windows Server and Active Directory services including user and group management, DNS and DHCP, GPO, and WSUS. Microsoft Windows 10 and 11 and MacOS end-user system setup, maintenance, and support. Scripting and IT automation including bash, python, and/or powershell. Network management and configuration including VLAN, VPN, SSH tunneling, iptables-based firewalls, linux-based routing, and wifi and ethernet hardware setup. Hardware, OS, and software diagnostics, repair, and maintenance for end-user and server systems and small business networking. Position Overview: The candidate will join a seasoned team of fellow Information Technology Specialists. Our team interfaces across all divisions of SIXGEN. We are looking for someone with the following non-technical skills. Ability to leverage a wide-range of technical skills to design, deploy, and support engineering, development, and corporate IT environments. Ability to offer creative technical solutions to unique problems. Willingness to respond to quickly emerging technical requirements and deadlines. Ability to communicate effectively with co-workers, vendors, and customers and function in a diverse team. Desire and ability to constantly learn and develop new technical skills. Focus on providing solutions and facilitating other team members’ productivity. Ability to adapt to flexible job responsibilities and work schedules. Available for periodic after-hours maintenance as well as 24/7 response to emergency situations such as power outages and equipment failures. Due to the nature of this position, applicants must be able to lift objects up to 30 pounds. COMPENSATION & BENEFITS The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. Additionally, SIXGEN offers top-tier benefits for full-time employees, including: Employer-paid health insurance premiums (medical, dental, vision) for you and your family Employer-paid short/long term disability insurance and basic life/AD&D insurance 401K with a 4% employer contribution Professional development reimbursement options available (training, certification, education, etc) Flexible and remote work policies for most positions Flexible PTO and holiday schedule OUR COMMITMENT SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class. We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.
This job posting was last updated on 8/3/2026