Sr. Windows Systems Admininstrator

Select Search Associates LLC; Chantilly (VA); On-site; USD 120,000 - 165,000; Full time

Job summary

Select Search Associates LLC in Chantilly, VA seeks a Senior Windows Systems Administrator to design, implement, and maintain Windows-based infrastructure supporting a Federal Program with 8+ years of experience.

This role requires an active TS/SCI clearance and CI Polygraph, strong skills in AD, DNS, GPO, Exchange, SCCM/MDT, and virtualization, with travel up to 20%. You will collaborate with IT teams to ensure resilience and security of critical systems.

Qualifications

• 8+ years of experience as a Windows System Administrator or similar role.
• Must be able to architect and support Windows infrastructure.
• In-depth knowledge of Windows Server / Desktop Operating Systems.
• Strong understanding and hands-on experience with Active Directory, Group Policy, DNS, Patching and update management, File Server administration, Exchange Server / Enterprise Email Systems.
• Experience with Windows deployment tools such as SCCM or MDT.
• Familiarity with backup and disaster recovery procedures.
• Excellent problem solving skills and ability to troubleshoot complex technical issues.
• Strong communication and interpersonal skills.
• Design, implement, and maintain Windows-based systems, networks, and applications.
• Provide technical support and assistance to users via phone, email, and in-person.
• Monitor system performance, identify and resolve issues, and optimize system resources.
• Develop and maintain documentation for system administration tasks and procedures.
• Collaborate with other IT teams to ensure seamless integration of new technologies and systems.
• Stay up-to-date with the latest Windows OS updates, security patches, and best practices.
• Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.

Responsibilities

• Design, implement, and maintain Windows-based systems, networks, and applications.
• Provide technical support and assistance to users via phone, email, and in-person.
• Monitor system performance, identify and resolve issues, and optimize system resources.
• Develop and maintain documentation for system administration tasks and procedures.
• Collaborate with other IT teams to ensure seamless integration of new technologies and systems.
• Stay up-to-date with the latest Windows OS updates, security patches, and best practices.
• Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities.

Skills

Windows Server Administration

Active Directory

Group Policy

DNS

Patching & Update Management

File Server Administration

Exchange Server

SCCM

MDT

Backup & Disaster Recovery

Troubleshooting

Communication

Documentation

Collaboration

Windows OS Updates

Tools

VMware

Hyper-V

KVM

PowerShell

Python

Bash

Scripting & Automation

ServiceNow

SQL Server Administration

Job description

SSA has an urgent need for a Senior Windows Systems Administrator to support a Federal Program in Chantilly, VA. This is a direct-hire role with our client, a highly respected player in the Intelligence Community.

**Due to the nature of the work, an active TS/SCI Clearance and CI Polygraph is required.** (this means a current, active clearance)

If you enjoy working with new technologies, enterprise-leading equipment, and have a passion for building and maintaining infrastructures, we would like to speak to you. This position will play a key role in supporting engineers responsible for leveraging next-generation infrastructure to drive innovation in the Artificial Intelligence (AI) field.

We are seeking an experienced and skilled Senior Windows System Administrator to join our IT team. As a key member of our infrastructure support team, you will be responsible for designing, implementing, and maintaining our Windows-based systems, networks, and applications. This is a great opportunity for a motivated and detail-oriented individual who is passionate about delivering exceptional technical support.

Key Job Responsibilities

• 8+ years of experience as a Windows System Administrator or similar role
• Must be able to architect and support Windows infrastructure
• In-depth knowledge of Windows Server / Desktop Operating Systems
• Strong understanding and hands-on experience with:
  • Active Directory
  • Group Policy
  • DNS
  • Patching and update management
  • File Server administration
  • Exchange Server / Enterprise Email Systems
• Experience with Windows deployment tools such as SCCM or MDT
• Familiarity with backup and disaster recovery procedures
• Excellent problem solving skills and ability to troubleshoot complex technical issues
• Strong communication and interpersonal skills
• Design, implement, and maintain Windows-based systems, networks, and applications
• Provide technical support and assistance to users via phone, email, and in-person
• Monitor system performance, identify and resolve issues, and optimize system resources
• Develop and maintain documentation for system administration tasks and procedures
• Collaborate with other IT teams to ensure seamless integration of new technologies and systems
• Stay up-to-date with the latest Windows OS updates, security patches, and best practices
• Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.

Core Competencies - Leadership

• Problem-Solving: Excellent analytical and problem-solving skills to diagnose and resolve complex technical issues in distributed systems.
• Communication: Strong verbal and written communication skills to collaborate effectively with leads, security, and other stakeholders.
• Collaboration: Ability to work effectively in a team environment, mentor junior engineers, and lead technical initiatives.
• Mentorship: As a Senior role, the ability to guide and mentor junior engineers, share knowledge, and foster best practices.
• Proactive & Ownership: Proactive approach to identifying and addressing potential issues, with a strong sense of ownership over the platform.

Beneficial Skills

• Experience installing, configuring, and supporting the Linux operating system (Server / Workstation)
• Knowledge of PowerShell / Python / Bash scripting and automation
• Certification in Microsoft MCSA or MCSE and other industry certifications
• Familiarity with security best practices (e.g. firewalls, antivirus software)
• Experience with virtualization technologies (VMware, Hyper-V, KVM)
• Proficiency in SQL Server administration
• Experience with IT service management frameworks (e.g. ServiceNow)