Windows Domain Administrator

Company: Computational Physics, Inc.
Location: Washington
Posted on: February 20, 2026

Job Description:

Job Description Job Description Computational Physics, Inc. (CPI) is looking for a full-time Windows Domain Administrator to support our customers at the United States Naval Observatory (USNO) in the deployment and maintenance of its new Precise Time and Astrometry Network. Background: The USNO is responsible for the production and dissemination of precise parameters concerning time, star positions, and the earth's rotation to the Department of Defense (DoD) and intelligence community, other U.S. Government (USG) users such as NASA and the National Oceanic and Atmospheric Administration (NOAA), as well as non-USG civilian and international users. Distribution of these parameters supports GPS navigation, among other applications, an important national and international function. A reliable, secure, maintainable and manageable USNO network is crucial to the production and dissemination of these data products. The successful candidate will: Provide direct technical support to the Precise Time, Celestial Reference Frame, Earth Orientation, and DevSecOps Departments at USNO. Work with USNO Information Assurance staff to ensure compliance with DoD cybersecurity requirements. Prepare and maintain associated documentation. The position will be located at the U.S. Naval Observatory in Washington D.C. Partial telework may be permitted in accordance with applicable Navy and Observatory guidance in effect at the time. Salary will be commensurate with experience and qualifications. CPI offers an excellent package of benefits. Qualifications/Education/Experience: 7 years of experience managing and configuring Microsoft Windows Server environments Experience configuring, patching, and hardening domain environments (AD, DNS, GPO, ADFS) Proficient in Active Directory administration, FSMO roles, replication, and OU management Knowledge of PKI, CAC/ALT-token authentication, and certificate lifecycle management Experience with WSUS and SCCM/MECM for patching and compliance management Familiarity with VMware vSphere for virtual machine management Experience with DISA STIGs, SCAP benchmarks, and ACAS/Nessus vulnerability remediation Working knowledge of PowerShell scripting for automation and reporting Understanding of Kerberos, LDAP, and Multi-Factor Authentication concepts Experience integrating systems with monitoring tools (e.g., SolarWinds) Strong troubleshooting skills for authentication, policy, and certificate issues Networking fundamentals: TCP/IP, DNS, DHCP, VLANs, and firewall concepts CompTIA Security CE or equivalent DoD 8570 certification (required) Microsoft certifications and DoD cybersecurity experience highly desirable Active Top Secret Security Clearance U.S. citizenship is required for DoD contract About CPI We love science! We study the physical properties of the Earth and our atmosphere, neighboring planets, and the sun. We make the study of science practical by translating our findings into products, both hardware and software, that make our customer's lives easier and better. CPI has served various U.S. Government agencies, universities, international science organizations, prime contractors, as well as commercial customers for 40 years . CPI is an employee-owned company - our team members receive company stock. Employee ownership motivates and empowers increased productivity, contribution to the longevity of the business, improved retention, and enhanced employee engagement. Why Work for Us? Competitive salary and comprehensive benefits Positive, upbeat, and transparent company culture with opportunities for self-development and career advancement Employee-owned small business that allows team members to learn from each other and take ownership Professional development support including conference attendance and certification training Benefits 401(k), Profit Sharing and an Employee Stock Ownership Plan (ESOP) Disability insurance (short-term and long-term) Flexible schedule Flexible spending account Health, Dental and Vision insurance Life insurance Paid time off Parental Leave Tuition reimbursement To apply please visit our careers page. CPI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. If you need a reasonable accommodation for any part of the employment process, please contact us and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.

Keywords: Computational Physics, Inc., Burke , Windows Domain Administrator, IT / Software / Systems , Washington, Virginia