Security Clearance Jobs for Defense and Intelligence Careers

Questions? Call Us 888-725-6997


View Job

Systems Administrator, Junior (Windows / Unix)

ManTech | Aberdeen Proving Ground MD 21010 USA | Full Time | Posted: 09/18/2020

Job Descriptiontop

Secure our Nation, Ignite your Future

ManTech is seeking a top talent Systems Administrator, Junior. You will be part of an integrated technical team providing Post Deployment Software Support (PDSS) and Post Production Software Support (PPSS) for Army and Joint tactical communications systems.  Working in our DevOps environment, you will have the opportunity to merge legacy systems and processes with current technology to provide premier support for the Army’s Tactical Network users.

The Systems Administrator, Junior will:

  • Provide Systems Administration Support on both Windows and Unix systems.
  • Provide the essential software support for the Tactical network components including the configuration of the hardware devices and virtual machines, testing new software and designing the structure of the network.
  • Test the operating system software, the networking software and also the computer hardware.
  • Provide support in resolving system/network issues with other teams.
  • Ensure long-term requirements of systems operations and administration are included in the overall information systems planning of the organization.
  • Install, maintain, configure, and ensure the integrity of computer software.
  • Implement operating system enhancements that will improve the reliability and performance of the system.
  • Administer, operate, manage, establish, configure, optimize, and monitor enterprise level applications and tools for monitoring management. 
  • Administer network monitoring capabilities using government-provided monitoring tools (Orion Solarwinds, Microsoft SCOM, NetIQ AppManager) on large classified and unclassified network enterprises. 
  • Assist the government with planning, setup, deployment, upgrade, maintenance and migration of network monitoring capabilities on large network enterprises. 
  • Provide technical expertise in troubleshooting alerts/incidents, resolving issues based on mission priorities and working with PMOs / vendors to obtain support as required.
  • Support the remediation of network vulnerabilities. Experience with Windows server systems administration, database management, general networking knowledge, basic understanding of Microsoft SQL and ability to troubleshoot/analyze data using information from multiple sources are required. 
  • Requires good technical, communications and collaboration skills.
  • Requires solid understanding of large-scale data center and network architectures, monitoring and fault management. 


  • Bachelor's Degree or equivalent in related field.  Can be substituted with 3 years of relevant work experience. 
  • Must have 1-2 years of hands on Windows or Unix systems administrator experience within the last 5 years.
  • Cybersecurity Requirements IAT Level 2 Minimum
  • Must be a U.S. Citizen with an Interim or Final Secret Security Clearance.


  • Operational knowledge of the software development lifecycle.
  • Experience in writing and performing software test plans/procedures.
  • Scripting or coding experience – PowerShell preferred
  • Operational knowledge of Virtual Machine environments.
  • Experience with automated testing applications.
  • Strong technical documentation skills.
  • Good communication and time management.
  • Experience with military tactical communications systems is a plus.
  • Linux and/or Microsoft computing environment knowledge/expertise.


ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

Job Detailstop

Location Aberdeen Proving Ground, MD, 21010, United States
Categories Professional
Sec Clearances Secret

Location Maptop

Contact Informationtop

Contact Name -
How to apply Employer provided a link where your application will be accepted. Click on the link below and follow instructions.
Apply Click Here (apply to job)
Job Code R06616