ISSM / Site Lead

Responsibilities for this Position

ISSM / Site Lead

ID: 2026-72773
US-VA-Manassas
Required Clearance: Top Secret, obtainable within reasonable time based on requirements
Posted Date: 5/29/2026
Category: Information Technology
Employment Type: Full Time
Hiring Company: General Dynamics Mission Systems, Inc.


Basic Qualifications

Master's degree, plus a minimum of 3 years of relevant experience. Bachelor's degree in a related specialized area or equivalent relevant experience is required, plus a minimum of 5 years of relevant experience.

CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Must be able to obtain a Top Secret clearance. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

At General Dynamics Mission Systems, we create the technologies, products and services that help our nations heroes keep our nation safe. The work we do is so advanced, we are continuously moving the boundaries of whats possible. Here youll work with the best and your talent will be front and center on projects that impact the world. Are you up to the challenge?

We apply advanced technologies such as Artificial Intelligence, Blockchain, AR/VR, Cloud Native and Quantum Physics to solve our customers missions in cyber, RF, undersea, interstellar and everything in between.

Leading and overseeing the information security budget, staffing, and contracting, youll direct a team that handles a wide range of security issues including architectures, electronic data traffic and network access. As the Advanced IT Security Specialist, well rely on you to apply defensive functions (e.g., encryption, access control, identity management) to reduce exploitation opportunities of vulnerabilities, as well as conduct import/export reviews for acquiring cryptographic systems. Youll also apply current computer science technologies to the design, development, evaluation, and integration of computer systems and networks to maintain system security. Are you ready to make a difference?

What youll experience:

• Technologies that arent just top-notch, theyre often top-secret
• A team of bold thinkers committed to exploring whats next
• Opportunities to gain new knowledge - as its discovered

What you bring to the table:

• Bachelors degree in a related specialized area or equivalent plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience
• Proficient knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, return-oriented attacks, malicious code)
• Strong knowledge of electronic devices (e.g., computer systems/components, access control devices, digital cameras, electronic organizers, hard drives, memory cards, modems, network components, printers, removable storage devices, scanners, telephones, copiers, credit card skimmers, facsimile machines, global positioning systems [GPSs])

What sets you apart:

• Extremely proficient in processes for seizing and preserving digital evidence (e.g., chain of custody)
• Proficient knowledge of legal governance related to admissibility (e.g., Federal Rules of Evidence)
• Knowledgeable of applicable laws (e.g., Electronic Communications Privacy Act, Foreign Intelligence Surveillance Act, Protect America Act, search and seizure laws, civil liberties and privacy laws), U.S. Statutes (e.g., Titles 10, 18, 32, 50 in U.S. Code), Presidential Directives, executive branch guidelines, and/or administrative/criminal legal guidelines and procedures relevant to work performed
• Identifies opportunities to apply AI for continuous improvement and innovation

General Dynamics Mission Systems has an immediate need for an ISSM/Site Lead for our GDMS Manassas Campus.

Knowledge, Skills and Abilities:

Serve as ISSM/Site Lead for GDMS Manassas campus, overseeing ISSO team and DoD computing environment.

Highly proficient use and understanding of systems engineering concepts, principles, and theories

Highly proficient understanding of cyber security specifications such as Risk Management Framework

(RMF), DIACAP, STIGs, NIST SP 800-53, NIST SP 800-171, and other government security specifications and guidelines

Highly proficient knowledge of cyber security technology and trends

Contributes to the achievement of business objectives

Recognizes and incorporates various security designs and lessons learned

Strong written and verbal communications skills

Able to sell concepts and ideas

Highly proficient ability in communicating issues, impacts, and corrective actions as they affect the cyber design and implementation

Highly proficient ability to clearly report relevant cyber systems engineering design

Regular contact with senior levels of internal security work groups

Ability to participate in or lead security work groups

Works under limited direction

Contact with project leaders and other professionals within the Engineering department and with project teams

Maintains contact with the external customers security professionals

Creative thinker, good multi-tasker

Highly proficient in Microsoft Office applications

Must be have an IAM Certification (i.e., CGRC, CISM, CISSP)

Identifies opportunities to apply AI for continuous improvement and innovation

Salary Note

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range

USD $123,069.00 - USD $129,799.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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