System Engineer - Junior

Sorry, this job was removed at 08:13 p.m. (CST) on Thursday, Feb 05, 2026
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Stafford, VA
In-Office
Artificial Intelligence • Cloud • Information Technology • Security • Software
The Role
Job Summary & Responsibilities
ECS is seeking a Jr. Systems Engineer to work in our Stafford, VA office.  
 
The ECS Team provides agile software development and maintenance for CODIS, a mission-critical application for the FBI. CODIS is a client server application developed using Microsoft .NET that supports a database repository of DNA profiles from individuals, unsolved crime scene evidence, and missing persons. CODIS software allows local, state, and national laboratories to compare DNA profiles electronically, thereby linking serial crimes to each other and identifying suspects by matching DNA profiles from crime scenes to individuals’ profiles.
 
  • Set up and manage Windows applications
  • Customer support
  • Occasional need for off-hours support for system upgrades, patches and maintenance activities
  • Working knowledge of AWS administration
Preferred Qualifications
  • US Citizen and active Secret clearance
  • System Administration experience
  • Experience with Active Directory Management and group policies
  • Helpdesk support for issues
  • Strong attention to detail and solid troubleshooting ability
  • Install and maintain client workstations, including installation and configuration of third-party applications
  • Knowledge of scripting language(s), PowerShell preferred
  • AWS console administration for EC2, IAM, VPC, and AMIs
  • Knowledge of TCP/IP and networking fundamentals
  • Create and maintain virtual images locally and in AWS for servers and workstations
  • Occasional need for off-hours support for system upgrades, patches and maintenance activities

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The Company
HQ: Fairfax, VA
2,129 Employees
Year Founded: 1993

What We Do

ECS, a segment of ASGN (NYSE: ASGN), delivers advanced solutions and services in cloud, cybersecurity, artificial intelligence (AI), machine learning (ML), application and IT modernization, and science and engineering. The company solves critical, complex challenges for customers across the U.S. public sector, defense, intelligence and commercial industries.

ECS maintains partnerships with leading cloud, cybersecurity, and AI/ML providers and holds specialized certifications in their technologies.

Headquartered in Fairfax, Virginia, ECS has more than 3,400 employees throughout the U.S. and has been recognized as a Top Workplace by The Washington Post for the last five years.

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