Windows Systems Administrator - Mclean, VA - Ts/Sci

PGTEKMcLean, VA

$185,000 - $265,000 / year

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Overview

Schedule

Full-time

Career level

Senior-level

Remote

On-site

Compensation

$185,000-$265,000/year

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Job Description

Senior System Administrator (Windows)

Location: McLean, VA (transitioning to Chantilly, VA)Clearance Required: Active TS/SCI with CI PolygraphSalary Range: $185,000 – $265,000Travel: Up to 20%

Overview

We are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. This role is ideal for a hands-on technical expert who thrives in complex environments and is passionate about building, maintaining, and optimizing enterprise systems.

Key Responsibilities:

Design, implement, and maintain Windows-based systems, networks, and applications
Architect and support enterprise-level Windows infrastructure
Administer and manage:

Active Directory
Group Policy
DNS
File servers
Exchange / enterprise email systems

Manage patching, updates, and system performance optimization
Monitor systems, troubleshoot issues, and ensure high availability
Support system deployments using tools such as SCCM or MDT
Develop and maintain technical documentation and standard operating procedures
Provide Tier II/III technical support via phone, email, and in-person
Collaborate with cross-functional IT teams to integrate new technologies
Travel up to 20% for on-site support, installations, and maintenance

Requirements

MUST have a current and active TS/SCI clearance with CI Poly
8+ years of experience as a Windows System Administrator or similar role
Deep expertise in Windows Server and Desktop operating systems
Strong experience with enterprise infrastructure design and support
Hands-on experience with Active Directory, Group Policy, DNS, and patch management
Proven ability to troubleshoot and resolve complex technical issues
Excellent communication and interpersonal skills
IAM Level II certification (DoD 8570 IAT compliant)

Preferred Qualifications

Experience with Linux (server or workstation environments)
Scripting and automation skills (PowerShell, Python, Bash)
Microsoft certifications (MCSA, MCSE) or equivalent
Experience with virtualization technologies (VMware, Hyper-V, KVM)
Knowledge of backup and disaster recovery strategies
Familiarity with security best practices (firewalls, antivirus, etc.)
SQL Server administration experience
Experience with ITSM platforms such as ServiceNow

Core Competencies

Problem-Solving: Strong analytical skills with the ability to resolve complex system issues
Communication: Clear and effective communicator across technical and non-technical teams
Collaboration: Team-oriented with the ability to work across multiple stakeholders
Mentorship: Ability to guide junior engineers and promote best practices
Ownership: Proactive mindset with strong accountability for system performance and reliability

Benefits

Our comprehensive benefits package for full-time salaried employees is effective immediately upon the start date. Benefits include comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option, a vision plan, and dental insurance with the base dental plan option paid for by PGTEK. Life Insurance, Short and Long-Term disability, and Critical Illness insurance have premiums covered. Additionally, PGTEK offers a matching 401(k) plan and a discount on pet insurance through ASPCA Pet Insurance. An Employee Assistance Program is available at no cost to all employees. PGTEK offers a generous amount of PTO and Holidays, and an Education Assistance Program is available after 12 months of employment.

ABOUT PGTEK:

PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships. PGTEK invests in the educational advancements of our staff by providing the necessary resources to complete Professional and Business Certifications. Our company is our people, and we treat them like family.

EOE, including disability/veterans

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FAQs About Windows Systems Administrator - Mclean, VA - Ts/Sci Jobs at PGTEK

What is the work location for this position at PGTEK?

This job at PGTEK is located in McLean, VA, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at PGTEK?

Candidates can expect a pay range of $185,000 and $265,000 per year.

What employment applies to this position at PGTEK?

PGTEK lists this role as a Full-time position.

What experience level is required for this role at PGTEK?

PGTEK is looking for a candidate with "Senior-level" experience level.

What benefits are offered by PGTEK for this role?

PGTEK offers following benefits: Health Insurance, Dental Insurance, Vision Insurance, Disability Insurance, Life Insurance, Paid Holidays, Paid Vacation, 401k Matching/Retirement Savings, Tuition/Education Assistance, and Health & Wellness Programs for this position. Actual benefits may vary depending on the employer's policies and employment terms.

What is the process to apply for this position at PGTEK?

You can apply for this role at PGTEK either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.