System Administrator with Security Clearance

Omitron is seeking a highly motivated System Administrator to join our team in Alexandria, VA, supporting mission-critical systems. This role is responsible for the installation, configuration, security, and maintenance of both physical and virtual IT infrastructure. The ideal candidate has strong experience managing enterprise-level environments and demonstrates a proactive approach to system reliability and security. Responsibilities:
Install, configure, and maintain Windows and/or Linux-based systems, including servers and workstations.
Administer and maintain core infrastructure services such as Active Directory, DNS, DHCP, and Group Policy.
Perform system updates, backups, and patch management to ensure system integrity and compliance.
Troubleshoot system and application issues, identifying and resolving root causes.
Support virtualization platforms such as VMware or Hyper-V.
Maintain detailed system documentation, procedures, and configuration records.
Ensure systems comply with security policies and best practices.
Respond to and resolve technical support requests in accordance with established SLAs.
Collaborate with cross-functional teams to support system requirements and integration efforts. Minimum Requirements:
US Citizenship required
Security Clearance: Active TS/SCI with CI Poly
Bachelor's degree in Computer Science, Information Technology, or a related field-or equivalent work experience.
Minimum of 3 years of experience in a system administration role.
Proficiency with Windows and/or Linux operating systems in an enterprise environment.
Experience with system monitoring tools, patching, and security configurations.
Strong troubleshooting and problem-solving skills.
Excellent written and verbal communication skills.
Security+ certification. Preferred Qualifications:
Networking experience is a plus
Experience in a government or DoD environment with knowledge of compliance frameworks (e.g., NIST 800-53, RMF).
Familiarity with scripting and automation using PowerShell, Bash, or Python.
Experience with endpoint management tools (e.g., SCCM, JAMF, Intune).
Exposure to cloud platforms such as AWS or Azure.
Additional certifications such as Microsoft Certified: Windows Server, Linux+, or VMware VCP. Benefits:
Health, Dental and Vision Insurance
HSA or FSA accounts
Company paid ST/LT Disability and AD&D insurance
Paid Federal Holidays
Paid Vacation Leave and Sick Leave
Parental Leave
401k with company match
Supplemental Insurance options like AFLAC
Professional Development Reimbursement
Voluntary Life Insurance
Company Overview:
Omitron is an Aerospace Engineering and Information Technology small business firm headquartered in Beltsville, Maryland with a field office located in Colorado Springs, Colorado. Since 1984, Omitron has provided excellence in engineering services and product development to government and industry customers for both civilian and military aerospace programs. Omitron recognizes that outstanding people are the key to our success. Our goal is to select highly qualified and motivated individuals and provide them with an environment necessary to stimulate and nurture engineering and business objectives. Omitron offers its employees competitive salaries, a full benefits package, and excellent career growth opportunities. We welcome talented professionals who wish to take advantage of the opportunities we offer. At Omitron, we believe that a workplace that fosters innovation and collaboration will be a successful one. We are committed to attracting, developing, and retaining top talent from a broad range of backgrounds, perspectives, and experiences. Per Title VII, our hiring decisions are made based on qualifications, skills, and experience, in accordance with our commitment to equal opportunity employment and nondiscrimination policies. We welcome all individuals who share our passion for excellence and encourage applicants from diverse backgrounds to apply.
We also support a workplace where every employee feels valued, respected, and empowered to contribute their best work. Our workplace initiatives are open to all and designed to create a culture of belonging for everyone. E-Verify Participation.