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Lead Systems Administrator

PostMilitary
ArlingtonLead / Manager10+ yrs
Apply on PostMilitary’s site
Posted 1 month ago. 1,334 more Systems / Network Administrator jobs in the United States went up on company career pages this week. See the newer ones

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Straight from the company’s own careers site.

The job in short

A lead / manager full-time Systems / Network Administrator role at PostMilitary in Arlington, asking for 10+ years of experience. Skills mentioned: SQL.

SQL

Details

Found
38 d ago · posted 2026-10-03
Location
Arlington

Full description

THE CHALLENGE This position requires, at minimum, a current and active TS/SCI security clearance. Military veterans are highly encouraged to apply. ​ Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting national security? We’re looking for a senior Windows systems administrator specialized in Active Directory administration to help us configure and maintain high availability domain controllers, forests, and federations. As a Windows and Active Directory Systems Administrator on our multi-disciplinary project, you'll ensure the Active Directory infrastructure is functional and highly available, and constantly look for ways to make the infrastructure better using the latest technology and the best implementation strategies. You'll evaluate opportunities to improve mission critical networks. You'll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies. You'll identify new opportunities to modernize the network to help your customers meet their needs. Join our team and solve daily challenges as we improve and enable our client's mission. Empower change with us. Requirements BASIC QUALIFICATIONS • Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. • 10+ years of experience with Windows systems engineering and administration, including on U.S. government IT implementations • IAT II Certification • Experience installing and configuring Windows domains and setting up virtual infrastructure • Experience managing multi-site Active Directory deployments, replication services, and group policy • Experience building and configuring Windows management services, including SCCM/MECM, WSUS, SQL, and PowerShell scripting • Experience with advanced administrator activities, technology road map development, or testing and release management • Experience with team leadership and management, and the mentoring and training of junior administrators • Ability to operate with minimal supervision and work in a team environment • HS diploma or GED PREFERRED QUALIFICATIONS • Knowledge of database administration and integration with automation, orchestration, and security platforms • Possession of excellent verbal and written communication skills • Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) preferred; Master’s degree in Science, Technology, Engineering, or Mathematics (STEM) a plus • IAT III Certification Benefits BUILD YOUR CAREER You’ll have the opportunity to connect with other professionals doing similar work across multiple markets. You’ll share best practices and work through challenges as you gain experience and mentoring to develop your career. In addition, you will have access to a wealth of training resources through our Engineering & Science University, an online learning portal where you can access more than 5000 tech courses, certifications and books. Build your technical skills through hands-on training on the latest tools and tech from our in-house experts. Pursuing certifications that directly impact your role? You may be able to take advantage of our tuition assistance, on-site courses, vendor relationships, and a network of experts who can give you helpful tips. We’ll help you develop the career you want as you chart your own course for success.

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