"Alerted.org

IT/Technical

**System Administrator 4** Herndon, VA Posted: 10/28/2025

Job Description

Job ID#:

214121

Job Category:

IT/Technical

Position Type:

Associate - W2

Duration:

26

Shift:

1

PDS Defense, Inc. is seeking a System Administrator 4, in Herndon, VA. Job ID#214121

Job Description:

Oversees system integration, hardware and software installation, configuration and disposition of servers and workstations to support the architecture. Provides complex problem resolution, root cause analysis and technical support for delivery systems. Participates in the design, validation and configuration management of computing delivery systems. Plans and coordinates system changes. Administers user system access and establishes safeguards to protect information to meet security requirements. Oversees activities to monitor system performance to support capacity planning, backup and disaster recovery planning. Mentors, leads and trains others.

Our team focuses on delivering complex solutions in some of the most challenging environments on Earth. We provide support for our Mission Operations Portfolio areas which design, build, test, deploy, operate, and maintain a wide variety of mission critical platforms and systems for commercial and government customers.

This position is part of a small team of shift-work rotational schedule high caliber System Administrators who perform several system administration tasks, sometimes under high pressure and tight deadlines, to include infrastructure administration, information security support and configurations, software and OS support, and follows configuration change control/configuration change management processes. You will create new solutions to hard technical problems and provide system support using best practices with modern and innovative tooling. This position requires comfort in a high-paced environment and interfacing with a small group of end users.

Responsibilities include:

* Support a small group of end users who use our system and several other systems that we support.

* Monitor system performance and troubleshoot issues, sometimes under time pressure.

* Analyze system performance, identify bottlenecks, and document proposed optimizations to improve overall system efficiency and responsiveness.

* Maintain accurate documentation of system configurations, procedures, and troubleshooting steps.

* Interface with customer and represent the entire System Admin Team during high impact operations.

This position requires an active TS/SCI U.S. Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active.)

Requires Active Full Scope TS/SCI Clearance to start

Basic Qualifications (Required Skills/Experience):

* A current Full Scope Polygraph (FSP).

* Level 3: 3+ years of related work experience.

* Level 4: 5+ years of related work experience.

* Experience in System Administration (i.e. Linux/Unix or Windows platforms).

* Experience in communicating with customer representatives in a variety of forums, in both written and spoken form, regarding technical subjects.

* Willingness to successfully complete on-the-job (OJT) training to confirm ability to perform assigned duties and tasks.

* Willingness and ability to work variable shifts, including days, nights, weekends, and holidays.

Preferred Qualifications (Desired Skills/Experience):

* Experience managing and maintaining servers, workstations, and related infrastructure components.

* Experience with Active Directory, Group Policy, DNS, DHCP, and other core services.

* Advanced troubleshooting skills and problem-solving abilities and able to diagnose and resolve complex technical issues.

* Expertise in on-premises virtualization (AHV, VMWare ESXi, Hyper-V, etc.) or cloud expertise (AWS or Azure).

* Experience with VDI infrastructure, monitoring infrastructure, securing infrastructure.

* Experience with documenting technical details in Confluence and task tracking in Jira.

* Cloud, INFOSEC, or any recent IT certifications.

* Previous shift-work experience.

Typical Education & Experience:

Level 3: Education/experience typically acquired through advanced technical education (e.g. Bachelor) and typically 5 or more years' related work experience or an equivalent combination of technical education and experience (e.g. PhD, Master+3 years' related work experience, 9 years' related work experience, etc.).

Level 4: Education/experience typically acquired through advanced technical education (e.g. Bachelor) and typically 9 or more years' related work experience or an equivalent combination of technical education and experience (e.g. PhD+4 years' related work experience, Master+7 years' related work experience, 13 years' related work experience, etc.).

Benefits offered to vary by the contract. Depending on your temporary assignment, benefits may include direct deposit, free career counseling services, 401(k), select paid holidays, short-term disability insurance, skills training, employee referral bonus, affordable medical coverage plan, and DailyPay (in some locations). For a full description of benefits available to you, be sure to talk with your recruiter.

Job Requirements

Minimum Security Clearance:

Top Secret

VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled

To read our Candidate Privacy Information Statement, which explains how we will use your information, please visit **http://www.tadpgs.com/candidate-privacy/** or **https://pdsdefense.com/candidate-privacy/**

The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

+ The California Fair Chance Act

+ Los Angeles City Fair Chance Ordinance

+ Los Angeles County Fair Chance Ordinance for Employers

+ San Francisco Fair Chance Ordinance

VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled