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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 one 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 co-workers, management, and customers, including delivering presentations.

Responsibilities

  • Provide direct IT support to the Advanced Electronic Systems team and its customers, serving as the point of contact for IT matters, including hardware and software setup, diagnosing connectivity or data-access problems, answering hardware or software questions, and helping users access shared drives and devices.
  • Execute the full System Development Life Cycle (SDLC), from initial receipt of hardware and software through decommissioning. Plan system requirements by analyzing mission needs, hull-type variants, and Risk Management Framework (RMF) constraints, and help define acceptance criteria and configuration baselines.
  • Design tailored system architectures and Secure Host Baseline (SHB) images using Microsoft Deployment Toolkit (MDT), Windows Assessment and Deployment Kit (ADK), 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 SHB images across hull types. Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs) using Evaluate-STIG and STIG Viewer, and conduct customization checks to verify mission-unique settings, peripherals, and software loads.
  • Verify and validate system readiness through quality assurance (QA) testing. Execute functional, security, and performance validation; confirm STIG compliance, Nessus scan remediation, and Diagnostic and Recovery Toolset (DaRT) recovery functionality. Document test results, discrepancies, and corrective actions in configuration management records.
  • Deploy configured systems to operational units. Create DaRT media using ADK Preinstallation Environment (PE) and Microsoft Desktop Optimization Pack (MDOP), 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 in steady state by performing Assured Compliance Assessment Solution (ACAS)/Nessus scanning, patch management, trouble ticket resolution, and vendor coordination for hardware and software faults. Update Standard Operating Procedures (SOPs), Fleet Advisory Messages, and lessons learned.
  • Retire and decommission systems at end of life by executing data sanitization per 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 one year executing the full SDLC in DoD environments.
  • ACAS 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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