Information Systems Security Engineer
Excelity
Excelity is seeking an ISSE for a project in charge of providing comprehensive engineering, operations support services, and tech refresh services worldwide for the Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions. This position is contingent upon contract being awarded. Required Clearance TS/SCI with CI Poly Job Responsibilities Responsible for cybersecurity elements of Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including but not limited to: Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications. Preparation of Assessment and Authorization (A&A) documents and procedures. Interface with other IA team members, other security disciplines (industrial security, physical security, special programs security, etc.), program personnel, and Government security representatives. Required Qualifications 8 years of relevant experience and a Bachelor’s degree applicable to the position from an accredited college or university is required. A Master’s degree relevant to the position may be substituted for two (2) years of additional experience. Four (4) years of additional ISSO experience may be substituted for a bachelor’s degree. A track record of progressively responsible information assurance experience in ICD 503 certification and accreditation. ISSE/ISSO shall be compliant with DoD 8140 and any other certification/training required by DoD for role. Must maintain required technical and security training relative to cybersecurity duties, in accordance with DoD instruction 8510.01, Risk Management Framework for DoD Systems, NIST Special Publication 800-53, Recommended Security Controls for Federal Information Systems and Organizations, and DoD Directive 8570.01-M, IA Workforce Improvement Program. ISSE/ISSO must have certifications and/or comprehensive hands‑on technical experience in the technology area(s) of their assigned system(s) in order to effectively carry out their duties. Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Information Systems, Committee on National Security Systems Instructions (CNSSI) 1253, and NIST SP 800-53 Revisions 3 and 4, SP800-39, SP 800-30. Benefits Competitive salary Flexible work schedule 100% Health, Dental, Vision, and Life Insurance plans with Flexible Spending Account (FSA) Long and Short-term disability coverage Generous paid vacation and holiday time Safe Harbor 401(k) Retirement Plan with 6% Employer matching contributions Reimbursement for professional and training development Company‑paid memberships to professional organizations #J-18808-Ljbffr Excelity
$87.1k - $157.45k
...Description Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission-critical applications across unclassified, classified, and corporate networks. This role is highly dynamic,...SuggestedWork experience placementLocal areaImmediate start$50k - $290k
...Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science, Cyber Enablement, Logistics, and... ...the country and around the globe. We are looking for an Information Systems Security Engineer (ISSE) to join our high‑performing team in either...SuggestedContract workWork experience placement- ...F&A Technologies LLC (F&A) is seeking a skilled and motivated Information Systems Security Engineer (ISSE) to work hand-in-hand with our Development and Sustainment Teams in navigating Security policy/requirements that effectively deliver compliant and compelling technical...SuggestedWork at officeFlexible hours
- ...Description Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of mission‑critical applications across unclassified, classified, and corporate networks. This role is highly dynamic, requiring...SuggestedWork experience placement
- ...Information Systems Security Engineer (ISSE) Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering. We...Suggested
- ...Information System Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join...Temporary workFor contractorsImmediate startFlexible hours
$190k - $220k
...Job Title Information Systems Security Engineer (ISSE) Job Description Information Systems Security Engineer (ISSE) Work Location: Reston, VA; work may also be performed at locations in the Washington, DC National Capital Region (NCR) (i.e., The District of...Work experience placementWork at office$135k - $216k
...Information Systems Security Engineer (ISSE) Job Locations US-VA-Herndon | US-MD-Bowie Requisition ID 2026-167990 Position Category Information Technology Clearance Public Trust Responsibilities Join Peraton in advancing...Contract workFor subcontractorShift work- ...Overview VTG is seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. This role ensures systems are compliant with security requirements while supporting mission...
$120.8k - $265.8k
Overview Job Title: Information Systems Security Engineer (ISSE) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Responsibilities...Full timeContract workWork experience placementLocal areaImmediate startFlexible hours$136k - $224.25k
We’re seeking a dedicated Information Security Systems Engineer to join our team in Herndon, VA. The candidate will have experience in end‑to‑end ownership of planning. This includes the total systems lifecycle of planning, crafting, implementing, operating and optimizing...Contract workWork at office- ...Senior Information Systems Security Engineer (ISSE) TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA Senior ISSE Position Description: The Senior Information Systems Security Engineer provides support to the customer...
$99k - $225k
...Information System Security Engineer The Opportunity: You will lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP and SCI environments. This role ensures security requirements are integrated into system architectures,...Full timeContract workPart timeWork at officeLocal areaRemote work- ...Information Systems Security Engineer Our partner is looking for an Information Systems Security Engineer to join a fast-paced DEVOPS, Cyber Security, and Engineering support environment. Candidate must have a familiarity with the Assessment and Authorization process...
$200k - $240k
...Description SAIC is seeking an Information System Security Engineer (ISSE) to provide information security support. This position is in McLean, VA and requires an active TS/SCI clearance with Polygraph . This Customer's office is the force of choice for...Work at office- ...Information Systems Security Engineer (ISSE) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer...Temporary workFor contractorsImmediate startFlexible hours
- ...Information System Security Engineer Active TS/SCI w/CI Poly Clearance is Required Job Description: Seeking an Information System Security Engineer (ISSE). The role of the ISSE is to bridge the gap between high level security policies/requirements and technical...Flexible hours
$150k - $180k
...Information System Security Engineer Location US-VA-Chantilly ID 2026-8416 Category Information Technology Position Type Full-Time Remote No Clearance Level TS/SCI CI Poly Description Markon...Full timeContract workTemporary workRemote workFlexible hours$5,000 per month
...Mission Context LV8D Solutions supports national security space and intelligence customers delivering next-generation sensing and exploitation capabilities. The role of Information System Security Engineer (ISSE)* is responsible for conducting information systems...Contract workTemporary workFor contractorsImmediate startFlexible hours- ...Information Systems Security Engineer TS/SCI CI Poly Department: Government Customer- Chantilly Location: Chantilly, VA MUST HAVE A TS/SCI Poly The Information Systems Security Engineer (ISSE) provides support to the customer in the area of Cyber Security...
- ...Location: Tysons, Virginia Type: Contract Job #3872 Title: Information Systems Security Engineer Location: Tysons, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer...Contract work
- ...small business that provides Software, AI/ML, and Cloud Engineering Solutions for our Department of Defense, Intelligence Community... ...our customers and our country. We are looking for an Information Systems Security Engineer to support our client in defining security...Contract work
- ...Job Description Job Description We are actively seeking an Information Systems Security Engineer (ISSE) with a minimum of 11 years' experience with a Bachelor's Degree. Other degrees will be considered with the year's experience adjusted to accommodate. REQUIRED...
$178.5k - $241.5k
...Job Qualifications: Skills: Cloud Security, Greenlight Oracle Access Violation... ...Greenlight, Rapid7 and assigned onsite Information System Security Managers to maintain and renew... ...ability to work with developers and engineers to determine appropriate mitigations to...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours- ...Information System Security Engineer Minimum Qualifications Five or more (5+) years' experience maintaining security posture of Sponsor compute environments, including cloud environments. Experience managing the full lifecycle of, and workflows for, security...
- ...intelligence solutions and operations, network infrastructure, engineering and business enablement and enterprise operations company... ...and continues to grow. We are actively hiring an Information System Security Engineer (ISSE) with TS/SCI clearance and polygraph to...Full time
- ...Position Title: Information system Security Engineer (ISSE) Location: Chantilly, VA Clearance: Active TS/SCI required U.S. Citizenship required OMNI Consulting Solutions is seeking for Information system Security Engineer to provide technical cybersecurity...Permanent employmentFull time
$190.08k - $249.7k
...Rubrik products including design, build, PoC and MVPs. Lead security architecture discussions along with customer and Zscaler and... ...relevant experience ~ Bachelor's degree in computer science, Information Technology, Cyber Security or a related field. ~ Technical...$131.3k - $237.35k
...IT program. We are looking for a cyber security professional to conduct penetration... ...and exploit risk and vulnerabilities of information systems. This candidate is expected to have hands... ...Science, Information Systems, Engineering, or other related scientific or technical...$105k - $125k
...Senior Security Engineer Job Category Information Technology Market Location VA - Northern Virginia Location VA - Reston Apply Now ( NVR, Inc... ...security tools and services that protect company systems, data, and users. This position is ideal for a hands-on...Work experience placement
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