Information Systems Security Engineer Jobs

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Information Systems Security EngineerJob Title - Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Warner Robins, Georgia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? You'll ensure requirements are effectively integrated into the system through purposeful security architecture, design, development, and configuration. You will coordinate changes or modifications with the appropriate Information System Security Manager ( ISSM ) and implement and enfor

Information Systems Security EngineerJob Title - Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Lorton, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Everyone knows security needs to be "baked in" to a system architecture-you actually know how to bake it in. You can identify and implement ways to harden systems and reduce their attack surface. What if you could use your cyber engineering skills to design and develop secure systems for defense clients? We're looking for an engineer who can create solutions for defense clients that will withstand even the most advanced cyber threats. As a

Senior Information Systems Security EngineerJob Title - Senior Information Systems Security Engineer

LeidosCompany Name - Leidos

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Orlando, Florida, USA

Full-time

Description The Multi-Domain Solutions Division within National Security at Leidos has an opening for a Secret cleared Senior Information Systems Security Engineer (ISSE) to work in our Orlando, FL office. Primary ResponsibilitiesProvide program Cybersecurity leadership for global networkHelp develop and maintain Risk Management Framework package for accreditation of the DI Network. Provide Cyber Support for the DI Network Mission, Test, Training, and Planning Systems associated with the implem

Information Systems Security EngineerJob Title - Information Systems Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat

Information Systems Security EngineerJob Title - Information Systems Security Engineer

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2508038 Location: CHANTILLY, VA, US Date Posted: 2025-07-30 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate will leverage overall system knowl

Information Systems Security EngineerJob Title - Information Systems Security Engineer

BOOZ, ALLEN & HAMILTON, INC.Company Name - BOOZ, ALLEN & HAMILTON, INC.

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Fort Belvoir, Virginia, USA

Full-time

Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementation of security solut

Information Systems Security Engineer IIJob Title - Information Systems Security Engineer II

LeidosCompany Name - Leidos

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Annapolis, Maryland, USA

Full-time

The Digital Modernization Sector at Leidos currently has an immediate need for an experienced Information Systems Security Engineer (ISSE) II for a strategic High-Performance Computing (HPC) program. The ISSE II will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment, and the ability to work within a team to mature the HPC capabilities of our customer. Primary Responsibilities: Assists the Government in creating techniques and tools within

Senior Information Systems Security EngineerJob Title - Senior Information Systems Security Engineer

LeidosCompany Name - Leidos

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Orlando, Florida, USA

Full-time

The Multi-Domain Solutions Division within National Security at Leidos has an opening for a Secret cleared Senior Information Systems Security Engineer (ISSE) to work in our Orlando, FL office. Primary Responsibilities Provide program Cybersecurity leadership for global networkHelp develop and maintain Risk Management Framework package for accreditation of the DI Network.Provide Cyber Support for the DI Network Mission, Test, Training, and Planning Systems associated with the implementations an

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

LeidosCompany Name - Leidos

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Washington, USA

Full-time

We are actively seeking Information Systems Security Engineers (ISSE) with a minimum of five (5) years' experience in the role of an ISSE. This opportunity is supporting the customer's Accreditation and Authorization (A&A) projects at the Group organizational level and is therefore supporting across various levels within the customer organization. This role is primarily remote, with occasional onsite requirements. Candidates must be local to the DC Metro area and available to attend in-person me

Principal Information Systems Security Engineer (ISSE)Job Title - Principal Information Systems Security Engineer (ISSE)

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for Principal Information Systems Security Engineer (ISSE) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% compa

Senior Information Systems Security EngineerJob Title - Senior Information Systems Security Engineer

LeidosCompany Name - Leidos

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Maryland, USA

Full-time

As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Apex SystemsCompany Name - Apex Systems

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Washington, District of Columbia, USA

Full-time

Job#: 2080503 Job Description: Apex Systems is seeking an Information Systems Security Engineer (ISSE) to support the US Airforce at the Pentagon. If interested, email your resume. Position: ISSE Location: Fully onsite @ the Pentagon Hours: M-F 8 hour shift between 6AM-6PM Job type: Long term contract Certifications: Must have Security + Overview: Seeking high-level IT Professionals to provide cyber security and security engineering services including system security engineering, cybersecuri

Information Systems Security Officer, Classified CybersecurityJob Title - Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Colorado Springs, Colorado, USA

Full-time

Job Description This position requires Current Secret clearance and ability to obtain Top Secret. Classified Cyber Security ISSOs help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The Classified Cyber Security Sr will partner with the security team, program,

Information Systems Security Manager - Active ClearanceJob Title - Information Systems Security Manager - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

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Costa Mesa, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Information Systems Security OfficerJob Title - Information Systems Security Officer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description Lockheed Martin is a Cyber Security pioneer, partner, innovator and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus -

Modernization Information Systems Security Officer - ISSO2Job Title - Modernization Information Systems Security Officer - ISSO2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization b

Information Systems Security Officer, Classified CybersecurityJob Title - Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description This position requires TS/SCI clearance with ability to receive Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) for Special Access Programs located at the LM Waterton facility in Littleton, CO. In this role you will: - Oversee day-to-day information system security operations including auditing the IS, hardware, and software implementations and RMF packag

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

KentroCompany Name - Kentro

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Tampa, Florida, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Modernization Information Systems Security Officer - ISSO3Job Title - Modernization Information Systems Security Officer - ISSO3

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Information Systems Security Officer, Classified CybersecurityJob Title - Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description This position requires TS/SCI clearance with the ability to obtain a CI polygraph. This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) for systems located at the LM Space facility in King of Prussia, PA. The work that Cybersecurity ISSO's do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones - this is dynamic, gratifying and impactful