Cybersecurity Engineer

Posted:
12/9/2025, 10:46:47 AM

Location(s):
Chantilly, Virginia, United States ⋅ Virginia, United States

Experience Level(s):
Expert or higher ⋅ Mid Level ⋅ Senior

Field(s):
IT & Security

General program information and/or position overview:

The Mission Solutions Operation at Leidos is seeking a Cybersecurity Engineer to support a government contract in the National Capital Region (NCR).  The ideal candidate will be able to identify, assess, and address IT systems security issues.  Additionally, the Cybersecurity Engineer will coordinate with the IT team and customer management.

Primary Responsibilities:

  • Actively monitor the security status for all IT systems and resolve all security issues quickly. 
  • Investigate computer and information security incidents.
  • Applies advanced knowledge of concepts, processes, practices, and procedures on technical assignments.
  • Other duties as assigned

Basic Qualifications:

  • Must have an active TS/SCI with poly
  • Requires minimum of 12 years of relevant experience and Bachelor of Science degree in Cybersecurity or related field. 16+ years of work experience will be considered in lieu of degree.
  • Demonstrated experience supporting of Plan of Action and Milestones (POAMs) and vulnerability management
  • Experience with network infrastructure design, routed data protocols, and hardware platforms.
  • Experience with technologies such as DHCP, DNS, SSH, TCP, and UDP.
  • Demonstrated experience with security device architecture, engineering, and installation/management. 
  • Knowledge of WAN and LAN, routing, switching, and firewalls.
  • Knowledge in Operating Systems such as Windows, Cisco IOS, and RHEL.

Preferred Qualifications:

  • Demonstrated experience applying efficient task management and ability to adjust to changing requirements
  • Demonstrated experience working as part of a team
  • Demonstrated customer service and interpersonal skills

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

November 18, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.