Senior Windows Engineer

General information

Requisition # R61270 Locations USA-VA-Herndon Posting Date 06/18/2025 Security Clearance Required None Remote Type Hybrid Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech seeks a driven and experienced Senior Windows Engineer to join our team in Herndon, VA. This role is ideal for a technology professional who thrives in secure, mission-critical environments and is passionate about delivering robust Windows-based infrastructure solutions. The successful candidate will play a pivotal role in the architecture, deployment, and sustainment of systems that align with federal IT and cybersecurity standards, including FISMA, FedRAMP, and DoD compliance frameworks.
 

Key Responsibilities

• Design, implement, and maintain scalable Windows Server environments (2016, 2019, 2022).
• Administer and troubleshoot Active Directory, DNS, DHCP, Group Policy Objects (GPOs), and Windows Clustering.
• Automate operational processes using PowerShell scripting.
• Apply system hardening in accordance with DISA STIGs and NIST 800-53 security controls.
• Perform patching, updates, and maintenance on Windows servers and workstations within secure networks.
• Support virtualized infrastructure using Hyper-V and VMware; integrate with cloud services such as Azure and AWS GovCloud.
• Partner with cybersecurity teams on vulnerability management, incident response, and compliance audits.
• Participate in configuration and change management processes.
• Develop and maintain technical documentation, diagrams, and Standard Operating Procedures (SOPs).
   

Basic Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or a related field
  OR 4+ years of additional experience in lieu of a degree
• 7+ years of experience in Windows engineering or systems administration
• Proven expertise in:
  • Windows Server (2016/2019/2022)
  • Active Directory in complex environments (e.g., multi-domain forests)
  • PowerShell scripting and automation
  • Group Policy design and troubleshooting
• Familiarity with compliance frameworks such as NIST, FISMA, FedRAMP, and RMF
• Solid understanding of networking principles and enterprise security integration
   

Preferred Qualifications

• Microsoft Certified: Windows Server Hybrid Administrator Associate (or equivalent certification)
• Experience with:
  • Azure AD, Azure Government, or AWS GovCloud
  • Public Key Infrastructure (PKI)
  • Endpoint management tools like SCCM/MECM or Microsoft Intune