Senior Windows Systems Administrator – TS/SCI Clearance

Nightwing; Corridor North (MD); On-site; USD 99,000 - 206,000; Full time

Benefits offered by this job

401k plan

PTO

Holidays

Medical, Vision, Dental insurance

Job summary

Nightwing is seeking a Windows Systems Administrator to support high-tempo IT environments for government and commercial customers. The role emphasizes system hardening, patching, vulnerability remediation, and cross-team collaboration.

You will manage AD, DNS, DHCP, virtualization, SIEM tools, and scripting across Windows and Linux, with a focus on compliance benchmarks and security controls. A TS/SCI clearance with poly is required.

Qualifications

• 8+ years of IT experience delivering and supporting solutions in government network environments.
• Strong familiarity with Windows, Linux, AD, DHCP, DNS, virtualization, and security controls.
• Proven ability to collaborate with internal/external customers and engineering teams to solve critical issues.

Responsibilities

• Perform routine maintenance and system administration tasks across Windows and Linux environments.
• Install and support End-User workstations, VOIP systems, and thin clients.
• Coordinate IT operations between program personnel, security teams, and leadership; communicate status clearly.
• Document processes and ensure adherence to standards and best practices.

Skills

Windows & Linux OS

Active Directory

Networking basics

Virtualization

Scripting: PowerShell

Scripting: Python

Scripting: Bash

Scripting: Ansible

SIEM (Splunk)

Vulnerability assessment (Nessus/Rapid

DISA STIGs/CIS Benchmarks

NIST 800-53 familiarity

DOD 8140/8570 IAT II+

Education

Bachelor's degree in IT / Cybersecurity

STEM field preferred

Tools

Splunk

Nessus

Rapid7

DISA STIGs

CIS Benchmarks

Job description

Nightwing is seeking a Windows Systems Administrator to support high-tempo IT environments for government and commercial customers. The role emphasizes system hardening, patching, vulnerability remediation, and cross-team collaboration.

You will manage AD, DNS, DHCP, virtualization, SIEM tools, and scripting across Windows and Linux, with a focus on compliance benchmarks and security controls. A TS/SCI clearance with poly is required.