Information Security Systems Engineer
$106.5k - $197.5kL3Harris Technologies
The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), and Federal Information Processing Standards (FIPS) to certify and achieve system accreditations. The successful candidate will work with system developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products, using methods such as encryption technology, vulnerability analysis and security management. Essential Functions: Perform incident response cyber threat identification, incident response support, defensive cyber operations coordination, malware analysis, supply chain risk management assessments per NIST SP 800-161, vendor provenance, counterfeit detection. Exercise skills in NIST Risk Management Framework (RMF) and all related NIST publications, to include writing System Security Plans, Security Control Traceability Matrix, Continuous Monitoring Plan, Security Assessment Plans & Procedures, Security Concept of Operations, Plan of Action and Milestones. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls. Assist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Define/manage systems/security architectures including system security boundaries, vulnerability management and risk mitigation and remediation strategies within networks, systems, applications and new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); and Infrastructure/Platform/Software-as-a-Service (IaaS/PaaS/Saas) implementations in cloud environments. Define/manage systems/security architectures including system security boundaries in on-premises data center systems and ultimately deploy to secure cloud-based system, to include configuration and use of defense and assessment tools specific to each environment type. This position is performed 100% onsite and cannot be performed remotely. Qualifications: Bachelor’s Degree and a minimum of 6 years of prior relevant experience; Or, Graduate Degree and a minimum of 4 years of prior related experience; Or, i n lieu of a degree, minimum of 10 years of prior related experience. Must have active TS/SCI security clearance. Ability to obtain and maintain Special Access Program (SAP) clearance after hire is required. DoD 8140.03 Level 3 or 4 certification. Preferred Additional Skills: Perform Model Based System Engineering (UML, SysML, UAF). Confugure/operate vulnerability analysis tools such Tenable NESSUS Security products. Develop dashboards, configure rules and operate/administer SEIM/audit reduction tools (e.g., Splunk). In compliance with pay transparency requirements, the salary range for this role in Virginia state is $106,500-$197,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. LI-CG1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .aa415a4b-8b21-40fc-a65c-70d2b25ca29a
- General information Requisition # R69749 Locations USA-VA-Quantico, USA-AL... ...Huntsville Posting Date 08/03/2026 Security Clearance Required TS/SCI... ...career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington...SuggestedFull timeWork at officeLocal areaRemote work
- ...to be part of an inclusive, adaptable, and forward-thinking organization, apply now.\n\nWe are currently seeking a Information System Security Engineer (ISSE) / Cybersecurity Systems Engineer (TS Cleared) to join our team in Quantico, Virginia (US-VA), United States (...SuggestedFull timeWork at officeRemote workFlexible hours
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- ...Investigation's Criminal Justice Information Services Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology... ...: Quantico, VAWho are you? Security-cleared Professional: An active... ..., malware, and embedded systems in addition to the following:...Temporary workWork at office
- ...labor as a variable cost. Job Description REQUIRED: Active Security Clearance Information Assurance Technician (IAT) Level III: Security+CE , CISSP... ...direction, operate and manage all aspects of Information Systems (IS), data availability, integrity, authentication,...Interim roleImmediate start
$75.2k - $158.1k
...Job Title: Cyber Security Specialist Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee... ...to support our customer, Global Combat Support System - Marine Corps (GCSS-MC). This senior-level position...Full timeContract workFor contractorsWork experience placementWork at officeLocal areaFlexible hours- OverviewAbacus Technology is seeking a Cyber Security Specialist to provide technical support... ...compliance and remediate or POA&M systems as required.Collaborate with enterprise... ...systems into compliance.Audit security log information using Splunk Enterprise, track firewall...Full timeWork at officeImmediate start
- ...Senior Cyber Security Analyst Data Intelligence is seeking a highly experienced Senior Cyber Security Analyst... ...on Certification & Accreditation (C&A) and Information Assurance (IA) activities, ensuring Navy IT systems meet stringent security requirements. The ideal candidate...
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- ...PTO), Flexible Work Schedules, and more! Cyber Systems Analyst (Junior) - TS/SCI Quantico, VA TS/SCI Security Clearance Wiser offers innovative solutions... ...Use open source to gather Publicly Available Information (PAI). Explore the physical battlespace; how...Hourly payFull timeMonday to FridayFlexible hoursDay shift
- .... Responsibilities The Infrastructure Security Engineer is responsible for protecting the organization... ...security controls across networks, systems, and cloud platforms. This role... ...: Qualifications Bachelor's degree in information technology or a related field appropriate...Civilian ContractorFull timePart timeWork at officeImmediate start
$62.5 - $72.11 per hour
*Description* The Cyber Security Engineer will be responsible for tasks related to Assessment... ...(A&A) to ensure assigned DoD, DoN systems/Enclaves/Networks can obtain and maintain... ...participate in risk assessments of information systems to identify vulnerabilities, risks...Contract workTemporary workWork at office- A technology solutions firm is seeking a GIS Geodatabase Engineer to manage large datasets and ensure secure systems for the Marine Corps Intelligence Activity. The ideal candidate will have a Bachelor's degree and 12 years of relevant experience, including expertise with...
- Agile Defense, LLC seeks a NAVY/Watch Team Analyst to provide 24x7 real-time analysis and incident response for the Client's Enterprise Network at Quantico, VA. The role requires Top Secret / SCI clearance and IAM Level I certification, with at least 3 years on an operations...Work at officeShift work
- NIWC Atlantic - E2S2 Program in Stafford, VA is seeking an Information Systems Security Officer / Cybersecurity Analyst to support RMF A&A activities and continuous monitoring for Marine Corps systems. The role requires DoD cybersecurity experience, familiarity with eMASS...Flexible hours
- ...deliver meaningful outcomes in complex, high-security environments. Who We’re Looking For (... ...management efforts across enterprise systems by assessing AI and machine learning capabilities... ...experience in DoD cybersecurity, information assurance, or Computer Network Defense (...Full time
- Vervic Inc. in Stafford, VA (Hybrid/Flexible) seeks an Information Systems Security Officer / Cybersecurity Analyst to support the NIWC Atlantic E2S2 program. The role emphasizes RMF/A&A activities, DoD security controls, and continuous monitoring in a DoD environment....Flexible hours
- ...firm providing intelligence, information technology, language, and... ...operational planning, and enterprise security initiatives within high-... ...related to reverse engineering concepts, defensive cyber operations... ..., and operational systems.Develop, maintain, and update...Contract workFor contractors
- A technology solutions company is seeking a Systems Engineer to enhance enterprise IT services for law enforcement and scientific missions. The role requires a minimum of 8 years of relevant experience and US citizenship with an active Top Secret clearance. Responsibilities...
- A leading IT staffing company in Quantico, Virginia is seeking an active Security Clearance Information Assurance Technician (IAT) Level III. The role involves managing Information Systems for integrity, confidentiality, and compliance with security standards. Candidates...
$73.45k - $132.78k
...Senior Transmission Line Engineer who will work as members of... ...voltage overhead and underground systems for some of the largest... ...MicroStation, and Geographic Information Systems (GIS) is a plus... ...details are available at . Securing Your Data Beware of fake...Work at officeLocal areaImmediate startRemote workRelocationRelocation package- ...command and control procedures, targeting processes, and weapon systems. Incorporate finished intelligence and reporting from... ...response to planned production requirements and ad hoc requests for information. Maintain understanding of adversary intelligence, surveillance...Work at office
- Booz Allen Hamilton seeks a PKI Network Engineer to support Marine Corps systems with PKI troubleshooting, CA and CVI infrastructure, and scalable PKI... ...staff and coordinate with service partners to balance security with mission needs. Role emphasizes deep PKI expertise,...
$150k - $185k
...mission, we are seeking a Cyber Operations Engineer to provide critical engineering services... ...complex toolchains, and troubleshooting systems in realistic mission environments. This... ...enables the success of national security cyber activities and ensures that mission...Contract work- Amazon in Virginia (Stafford/Fredericksburg area) seeks a Network Install Technician, Infrastructure Delivery to install and deploy large enterprise equipment and cabling across data centers. You will follow established procedures, perform break-fix activities, and operate...
$23 per hour
...and testing of various types of voice and data cables as well as security/access control equipment.The ideal candidate must possess the... ...includes:2+ years' experience installing and servicing voice and data systems in a commercial environment.Ownership of basic telecom tools:...Contract workWork experience placement
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