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Senior Cyber Security Engineer Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: MANTECH
Full Time position
Listed on 2026-09-03
Job specializations:
  • IT/Tech
    Cybersecurity
Job Description & How to Apply Below
Position: Senior Cyber Security Engineer with Security Clearance
MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. You will play a vital role in leading technical operations, executing cyber security engineering solutions, and safeguarding mission-critical enterprise systems. Responsibilities include but are not limited to
* Assist in the creation of fully developed project schedules utilizing the Enterprise Scheduling Service platform (ESS) built on Microsoft Project.

* Assist with creating quality briefing decks, including detailed cost estimates, for senior leadership presentation.

* Author and organize document deliverables, perform customer engagement, document technical requirements, and manage customer communications.

* Coordinate the engineering, integration, and administration functions required to deliver capabilities, documentation, and services to the operational and engineering baseline.

* Ensure that all aspects of projects are completed and delivered according to the implementation plan and schedule.

* Coordinate the build-out and testing of sophisticated applications and tools in virtual and physical environments.

* Manage incident/request ticket queues through Service Now and assist with the management of Tier 2-4 support to customer systems, to include potential after-hours and weekend support.

Minimum Qualifications
* Bachelor's Degree or 4+ years of additional experience in lieu of degree.

* 5+ years of relevant cyber security work experience, including direct experience with Risk Management Framework (RMF).

* Experience managing or leading small to medium sized teams supporting engineering operations

* Experience with tools such as Jira, Confluence, Microsoft Office products, or similar project management and collaboration platforms

* Ability to demonstrate understanding and appropriate application of DoD/IC policy and technical security guidance to information systems

* Must hold an active IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or have the ability to obtain it within 6 months of hire.

Preferred Qualifications
* Managerial and leadership experience leading small to medium technical teams.

* General knowledge of security technologies such as vulnerability management, intrusion detection/prevention, log monitoring, and endpoint protection.

* Previous System Administrator (SA) or systems engineering experience.

* Ability to effectively interact with various levels of senior management to clearly articulate ideas for executive-level and technical staff consumption.

* Ability to function in a fast-paced environment and effectively manage multiple tasks simultaneously, coordinating resources and ensuring scheduled goals are met Clearance Requirements
* Must possess an active TS/SCI with a polygraph.

Physical Requirements
* Must be able to remain in a stationary position 50% of the time.

* Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.

* The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
Position Requirements
10+ Years work experience
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