Network/Systems Security Engineer Jobs

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Cyber Systems Security Engineer Staff

Lockheed Martin Corporation

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Remote or Manassas, Virginia, USA

Full-time

Job Description What We're Doing At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation's defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains. The Work As a Cyber Systems Security Engineer Staff, you will take a leadership role in
Posted 18 days ago | Updated 8 hours ago

Information Systems Security Engineer (ISSE)

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
Posted 16 days ago | Updated 8 hours ago

Sr. Systems Security Engineer

SNC

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Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Sr Systems Security Engineer, you will be using your skills and expertise to design, test, and implement our secure operating systems, networks, security monitoring, and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions, conducting risk and vulnerabili
Posted 37 days ago | Updated 14 hours ago

Senior Systems Security Engineer (ONSITE)

RTX Corporation

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Largo, Florida, USA

Full-time

Date Posted: 2025-06-12 Country: United States of America Location: FL410: Largo FL MFG 7887 Bryan Dairy Road , Largo, FL, 33777 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelli
Posted 10 days ago | Updated 8 hours ago

Systems Security Engineer II

Sierra Nevada Corporation

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Hagerstown, Maryland, USA

Full-time

Are you ready to be at the forefront of cutting-edge technology and innovation? Join us at our Hagerstown facility, where we're spearheading the Next Gen ISR (Intelligence, Surveillance, and Reconnaissance) efforts that are set to revolutionize the industry! As a key member of our dynamic team, you'll have the opportunity to work on groundbreaking projects that leverage the latest advancements in ISR technology. You'll collaborate with top-tier professionals and contribute to the development of
Posted 60+ days ago | Updated 8 hours ago

Sr. Systems Security Engineer

SNC

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Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Sr Systems Security Engineer, you will be using your skills and expertise to design, test, and implement our secure operating systems, networks, security monitoring, and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions, conducting risk and vulnerabili
Posted 40 days ago | Updated 17 hours ago

Information Systems Security Engineer - ISSE (Senior Levels)

Redwire Space

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Littleton, Colorado, USA

Full-time

Where dreams and reality collide and the output is, out of this world. At Redwire Space, we are a team of dreamers and doers. Where the impossible becomes possible, and every day is an opportunity to learn and get one step closer to knowing the unknown. Join us on our mission to expand humanity's presence in space. Summary We have a current opportunity for a "Information Systems Security Engineer (Cybersecurity Engineer) at out Littleton, CO. facility. This position will be considered primarily
Posted 16 days ago | Updated 8 hours ago

Sr Systems Security Engineer

Sierra Nevada Corporation

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Beavercreek, Ohio, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 46 days ago | Updated 8 hours ago

Sr. Systems Security Engineer

Sierra Nevada Corporation

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Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Sr Systems Security Engineer, you will be using your skills and expertise to design, test, and implement our secure operating systems, networks, security monitoring, and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions, conducting risk and vulnerabili
Posted 47 days ago | Updated 8 hours ago

Information Systems Security Engineer

Motion Recruitment Partners, LLC

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Cambridge, Massachusetts, USA

Full-time

Job Description We are seeking a skilled Information Systems Security Engineer to join our team in Cambridge, MA. This full-time, onsite position involves working closely with development and IT teams to integrate security best practices into every phase of the information systems lifecycle. You'll also evaluate and enhance existing systems to ensure ongoing protection against evolving threats. Our client is an industry leader known for their commitment to innovation and security. This is an opp
Easy Apply
Posted 40 days ago | Updated 4 hours ago

Intermediate Information Systems Security Engineer

Base-2 Solutions, LLC

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Fort Meade, Maryland, USA

Full-time

Job Description Supports the Government in the design, development, implementation, and/or integration of IA architectures, systems, or system components.Provides the Government assistance to ensure that the architecture and design of information systems are functional and secure, including program of record systems and special purpose environments with platform IT interconnectivity.Applies knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure netwo
Posted 36 days ago | Updated 8 hours ago

Information Systems Security Engineer

Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 38 days ago | Updated 8 hours ago

Cyber Systems Security Engineer - Level 2

Lockheed Martin Corporation

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Fort Worth, Texas, USA

Full-time

Job Description Lockheed Martin Aeronautics. Be More Than You Can Imagine. Lockheed Martin's aircraft leadership is earned through relentless research and development of high-performance combat, air mobility and reconnaissance and surveillance aircraft. We also provide world-class training, focused logistics support, and advanced targeting and navigation technologies to enable the right people with the right skills to be in the right place at the right time with the right information and the r
Posted 3 days ago | Updated 8 hours ago

Information Systems Security Engineer (ISSE)

Golden Key Group

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Fort Meade, Maryland, USA

Full-time

GKG is looking for an Information Systems Security Engineer (ISSE) in Ft. Meade, MD. Responsibilities: Perform and review technical security assessments using a structured process to identify assets, threats, vulnerabilities, and risks, and then analyzing and developing security controls to mitigate those risks. Validation and verification system security requirements, system security design, and integrate system security for a variety of environments.Build cybersecurity into systems for operati
Easy Apply
Posted 28 days ago

Information Systems Security Engineer/ Cambridge

Motion Recruitment Partners, LLC

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Cambridge, Massachusetts, USA

Full-time

Job Description We're looking for an Information Systems Security Engineer for a full-time onsite position in Cambridge, MA. You must have Top Secret clearance and the ability to obtain a TS/SCI CI Poly clearance and be a . You will be integrating security measures into the design, development, and implementation of information systems. You will also examine existing systems to see if there is any new remediations to be made to reduce risk. Our client is a leader in their industry and has cuttin
Easy Apply
Posted 43 days ago | Updated 4 hours ago

Information Systems Security Engineer (ISSE)

Nightwing

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Virginia Beach, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 48 days ago | Updated 8 hours ago

Embedded Systems Security Engineer Sr

Lockheed Martin Corporation

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Florida, USA

Full-time

Job Description You will be a Cyber Systems Security Engineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines of Business. What You Will Be Doing As the Cyber Systems Security Engineer you will be responsible for providing embedded System Security
Posted 50 days ago | Updated 8 hours ago

Principal Systems Security Engineer (ONSITE)

RTX Corporation

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Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-04-16 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Secret - Current Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly skilled Principal Systems Security Engineer (PSSE) to drive cybersecurity initiatives, ensure compliance with securi
Posted 46 days ago | Updated 8 hours ago

Cyber Systems Security Engineer (Embedded)

Lockheed Martin Corporation

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Florida, USA

Full-time

Job Description You will be a Cyber Systems Security Engineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines of Business. What You Will Be Doing As the Cyber Systems Security Engineer you will be responsible for providing embedded System Security
Posted 51 days ago | Updated 8 hours ago

Information Systems Security Engineer (ISSE) (Onsite)

RTX Corporation

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Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-05-14 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret Collins Aerospace Government Security Compliance (GSC) is seeking a Sr Cybersecurity Engineer to join the Strategic Soluti
Posted 39 days ago | Updated 8 hours ago