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ManTech

Government cybersecurity, analytics, and IT services

IT Specialist

System AdministrationConfirmed live in the last 24 hours
Full-timeVirginia Beach, VA, USA$70.2k - $117k

About the Job

Requirements

  • A bachelor's degree in Information Technology, Computer Science, or a related field and 1 year of IT experience.
  • Security+ CE certification.
  • Proficiency in Microsoft Office Suite, including Word, Excel, PowerPoint, Teams, and SharePoint.
  • A current and active Secret security clearance.
  • Ability to remain in a stationary position 50% of the time.
  • Ability to position oneself to maintain computers in the lab, including under desks and in the server closet.
  • Ability to move audio/visual or computer equipment when asked.
  • Ability to communicate frequently with coworkers, management, and customers, including delivering presentations.

Responsibilities

  • Provide direct IT support to the Advance Electronic Systems team and its customers, serving as the point of contact for IT matters, including hardware and software setup, connectivity and data-access troubleshooting, and helping users access shared drives and devices.
  • Execute the full System Development Life Cycle from initial receipt of hardware and software through decommissioning; plan system requirements by analyzing mission needs, hull-type variants, and Risk Management Framework constraints; and help define acceptance criteria and configuration baselines.
  • Design tailored system architectures and Secure Host Baseline images using Microsoft Deployment Toolkit, Windows Assessment and Deployment Kit, and Group Policy; develop PowerShell automation for naming conventions, policy enforcement for Microsoft Edge and Windows Defender, and post-build validation scripts to meet platform-specific requirements.
  • Build, test, and duplicate Secure Host Baseline images across hull types; apply Defense Information Systems Agency Security Technical Implementation Guides and Security Requirements Guides using Evaluate-STIG and STIG Viewer; and conduct customization checks for mission-unique settings, peripherals, and software loads.
  • Verify and validate system readiness through quality assurance testing; execute functional, security, and performance validation; confirm STIG compliance, Nessus scan remediation, and Diagnostic and Recovery Toolset recovery functionality; and document test results, discrepancies, and corrective actions in configuration management records.
  • Deploy configured systems to operational units; create Diagnostic and Recovery Toolset media using Windows Assessment and Deployment Kit Preinstallation Environment and Microsoft Desktop Optimization Pack; coordinate imaging operations; provide on-site or remote deployment support; and perform post-deployment validation to ensure operational readiness and mission continuity.
  • Operate and maintain systems, including Assured Compliance Assessment Solution and Nessus scanning, patch management, trouble-ticket resolution, and vendor coordination for hardware and software faults; update Standard Operating Procedures, Fleet Advisory Messages, and lessons learned.
  • Retire and decommission end-of-life systems by executing data sanitization according to DoD 5220.22-M, handling hardware disposition, and completing documentation closeout for audit compliance and knowledge transfer for future hull types.

Desired Qualifications

  • Familiarity with network topology documentation in air-gapped environments.
  • At least 1 year executing the full System Development Life Cycle in DoD environments.
  • Assured Compliance Assessment Solution Operator/Supervisor training.

About the Company

ManTech

Government cybersecurity, analytics, and IT services

ManTech provides technology and services to U.S. government customers in defense, intelligence, and federal civilian agencies. It delivers cybersecurity, data analytics, enterprise IT, logistics, intelligence lifecycle support, software development, systems engineering, mission operations, security, and training through government contracts that span strategy to operations with strict security compliance. Its differentiators include a national-security focus, end-to-end capabilities, long-term high-value contracts, and emphasis on specialized talent. The company aims to help government agencies modernize and protect critical infrastructure while pursuing sustainable growth and profitability.

Company size
10,001+
Company stage
IPO
Headquarters
Herndon, VA
Founded
1968

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