"Alerted.org

IT/Technical

**System Administrator 5** Herndon, VA Posted: 10/28/2025

Job Description

Job ID#:

214122

Job Category:

IT/Technical

Position Type:

Associate - W2

Duration:

26

Shift:

1

PDS Defense, Inc. is seeking a System Administrator 5, in Herndon, VA. Job ID#214122

Job Description:

Collaborates in the design of computing delivery systems, standards and change management processes. Diagnoses and resolves complex problem and leads root cause analysis for delivery systems. Leads the administration of user system access and oversees initiatives to protect information to meet security requirements. Collaborates to define companywide tools and processes to monitor system performance for 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.

Position Responsibilities:

o Monitor system performance, troubleshoot issues, and perform regular maintenance tasks such as applying updates, patches, and security fixes.

o Assist network engineers with configuring and managing network services, such as DNS, DHCP, and Active Directory to facilitate communication and resource sharing within the network.

o Assist with implementing and managing backup strategies to ensure data protection and disaster recovery capabilities in case of system failures or data loss.

o Assist with implementing and maintaining security measures, including firewalls, endpoint protection, and access controls, to protect the system from unauthorized access, malware, and other security threats.

o Analyze system performance, identify bottlenecks, and implement optimizations to improve overall system efficiency and responsiveness.

o Maintain accurate documentation of system configurations, procedures, and troubleshooting steps, as well as generate reports on system performance, security, and compliance.

o Participate in planning and implementation of new systems, upgrades, and migrations, ensuring compatibility and adherence to best practices.

o Maintain expertise in latest technologies, industry trends, and security practices through continuing training, certifications, review of trade publications.

o Perform infrastructure administration and automation, information security support and configurations, software and OS installation and updates, and follow configuration and change control processes.

o Create new solutions to hard technical problems and provide system support using best practices with modern and innovative tooling.

o Support design, validation and configuration management of computing systems, and monitor system performance to support capacity planning, backup, and disaster recovery planning.

This position requires an active TS/SCI U.S. Security Clearance with current Full Scope Polygraph (FSP), for which the U.S. Government requires U.S. Citizenship. (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):

o 5+ years of related work experience for level 4.

o 10+ years of related work experience for level 5.

o System Administration experience in Linux/Unix or Windows platforms

Preferred Qualifications (Desired Skills/Experience):

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

o Experience with VDI (Virtual Desktop Infrastructure), monitoring infrastructure, and securing infrastructure.

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

o Strong knowledge of security best practices.

o Experience with security auditing, vulnerability assessments, and incident response.

o Cloud, INFOSEC, or other recent IT certifications.

Typical Education & Experience:

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.).

Level 5: Education/experience typically acquired through advanced technical education (e.g. Bachelor) and typically 14 or more years' related work experience or an equivalent combination of technical education and experience (e.g. PhD+9 years' related work experience, Master+12 years' related work experience, 18 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/SCI

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