Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Information Systems Security Engineer (Subject Matter Expert)

Nightwing

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 the intelligence community, defense, civil, and commercial markets.Information Systems Security Engineer - SMESeeking an Information Systems Security Engineer (ISSE). The role of the ISSE is to bridge the gap between high level security policies/requirements and technical/operational implementation of those requirements. Candidates should have in-depth understanding of the cybersecurity policies and procedures for government sector information systems and sufficient technical knowledge and experience to implement them. The ISSE will work closely and effectively with the ISSM and Sponsor IT managers on all aspects of their development and implementation programs as they progress through their Agile management processes. The ISSE will provide guidance, standards, and oversight to the development teams as they work towards accreditation and then to keep accredited. The candidate will provide input to A&A process activities and related documentation such as systems concept of operations, system security design, implementation plans, operational procedures, and maintenance training materials.Bachelor's degree (preferably in STEM field) and 10 years technical experience. Additional technical experience may be substituted in lieu of education.TS/SCI with Polygraph Required Day 11. Experience working with sponsor and providing input to A&A process activities and related documentation such as systems concept of operations, system security design, implementation plans, operational procedures, and maintenance training materials2. Demonstrated on-the-job experience conducting assessments of existing IT architecture for compliance with security requirements from applicable security frameworks (such as ICD 503)3. Demonstrated on- the job- experience evaluating proposed security architectures and designs against security compliance requirements.4. Basic understanding of information security principles and risk assessment techniques5. Provide continuous monitoring support for information systems6. Basic understanding of information security principles and risk assessment techniques7. Experience with using NESSUS and other scanning applications8. Advanced analytical skills: able to use prior experience and knowledge to seamlessly incorporate new knowledge or information during client interactions9. Advanced communications skills: able to work well with others, independently and as part of a team10. Must be able to work well with others including educating development teams who may not have the same understanding of security as you do11. Intermediate presentation skills: able to interview engineers on technical subject matter as well as brief executive level stakeholders1. Familiarity with Agile frameworkCertifications (not required but encouraged):1. Certified Information Systems Security Professional (CISSP)2. Information Systems Security Engineering Professional (ISSEP)3. AWS (Architect, DevOps, Security)TS/SCI with Polygraph Required Day 1At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.SummaryLocation: Sterling, VAType: Full time

Vacancy posted a month ago
Similar jobs that could be interesting for youBased on the Information Systems Security Engineer (Subject Matter Expert) in Sterling, VA vacancy
  •  ...DATA Services currently seeks a Information Security Architect/Splunk Subject Matter Expert to join our team in Sterling,...  ...technical acumen including operating system configuration, storage...  ...Service Intelligence.Provide overall engineering and design support for a... 
    Suggested
    For contractors

    NTT DATA

    Sterling, VA
    3 days ago
  •  ...position, you will serve as the Subject Matter Expert for Order Entry / Customer...  ...requirements, government systems and databases, customer...  ...Entry status or operational information, and serve as an alternate...  ...compliance with applicable safety, security, worksite access,... 
    Suggested
    Full time
    Contract work
    Work at office
    Remote work
    Shift work
    Day shift
    Afternoon shift

    The One 23 Group

    Herndon, VA
    4 days ago
  • $134.1k - $241.4k

     ...exceptional Senior Radar Subject Matter Expert (SME) to join the...  ...the future of national security. At Parsons, we have...  ..., and threat-informed capability development...  ...briefings, drawings, system development schedules...  ...Bachelor's Degree in Engineering or an equivalent technical... 
    Suggested
    Full time
    For contractors

    Parsons

    Herndon, VA
    a month ago
  •  ...a senior technical Subject Matter Expert (SME) for the DCP Solution...  ..., and facilities engineering support. The role...  ...technical or administrative information is required and...  ...applicable safety, security, worksite access,...  ...Solution Design processes, systems, customers, or... 
    Suggested
    Full time
    Contract work
    Work at office
    Remote work
    Shift work
    Day shift
    Afternoon shift

    The One 23 Group

    Herndon, VA
    4 days ago
  •  ...Training & development Network Engineer - Subject Matter Expert  POS-118 Location: On-Site |...  ...Master’s degree in Computer Science, Information Technology, Electrical Engineering,...  ...Demonstrated experience delivering secure, scalable, and high-performance network... 
    Suggested

    Emergent Technologies Inc

    Herndon, VA
    25 days ago
  •  ...TechSur is seeking a Senior EPDS Subject Matter Expert (SME) with demonstrated experience supporting...  ...the USDA Enterprise Project Data System (EPDS) . The ideal candidate will have...  ...problem-solving skills. Additional Information All your information will be kept... 

    TechSur Solutions

    Reston, VA
    16 days ago
  •  ...Senior SailPoint Subject Matter Expert Washington, DC...  ...strategic direction, system design, and technical...  ...identity governance, secure authentication, and compliance...  ...of junior SailPoint engineers and collaborate with...  ...in Computer Science, Information Technology, or... 
    Full time

    BruckEdwards Inc

    Reston, VA
    25 days ago
  •  ...Criminal Investigations Subject Matter Expert will serve as a...  ...with a diverse team of engineers and subject matter experts...  ...investigations and inform mission decision-...  ...enforcement or homeland security missions....  ...advanced software and systems engineering that provides... 
    Temporary work
    Local area
    Immediate start

    AnaVation

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...FOIA (Freedom of Information Act) Technical Subject Matter Expert/Consultant We are actively searching for a FOIA Subject Matter Expert (SME) in the Washington D.C. area with excellent soft skills and an ability, but more importantly, the drive to learn and participate... 
    Full time

    Armedia LLC

    Vienna, VA
    a month ago
  •  ...seeks an Operations Management Subject Matter Expert to support and participate...  ..., acquisitions, training, information management, etc.This Office...  ...business processes, data, systems, and peopleCommunication -...  ...services you buy on a daily basis.Security Clearance: Due to the... 
    Full time
    For contractors
    Internship
    Work at office

    Prosidian Consultng

    Vienna, VA
    a month ago
  •  ...electronic medical record system deployed in 28 countries outside...  ...resides in our broader “Subject Matter Expert” team. This team was formed...  ...of North American Sales Engineering, the Public Sector Subject...  ...countries worldwide. For more information, please visit InterSystems.... 
    Permanent employment
    Work experience placement
    Worldwide

    Intersystems

    Vienna, VA
    a month ago
  •  ...you will serve as the Subject Matter Expert for Order Preparation...  ...Government-provided systems.  The SME will serve...  ...leasing, facilities engineering support, service-...  ...keeping the Team Lead informed of material impacts,...  ...with applicable safety, security, worksite access,... 
    Full time
    Contract work
    Work at office
    Remote work
    Shift work
    Day shift
    Afternoon shift

    The One 23 Group

    Herndon, VA
    6 days ago
  • $160k - $240k

     ...self-starter to join our team as a Senior Roadway Engineer or Roadway Engineering Subject Matter Expert. This is a hybrid role with three days per week required...  ..., national origin, veteran status, or genetic information. ATCS is committed to providing equal opportunities... 
    Full time
    Contract work
    For contractors
    Work at office
    Local area
    Immediate start
    Flexible hours
    3 days per week

    ATCS

    Herndon, VA
    21 hours ago
  • $170k - $185k

     ...: JADC2 Operations Subject Matter Expert Belong. Connect. Grow...  ...! KBR's National Security Solutions team provides high-end engineering and advanced...  ...and optimizing defense systems that ensure national security...  ...techniques to shape and inform Concept Exploration,... 
    Full time
    Temporary work
    Local area
    Relocation package
    Flexible hours

    KBR

    Reston, VA
    15 days ago
  •  ...Information Systems Security Engineer MUST HAVE A TS/SCI Poly The Information Systems Security Engineer (ISSE) provides support to the customer...  .... TENICA provides knowledgeable and experienced subject matter experts to perform a variety of professional services,... 

    Tenica and Associates

    Chantilly, Loudoun County, VA
    more than 2 months ago
  •  ...demonstrate strong expertise in enterprise systems, automation, and operational support,...  ...Collaborating effectively with management, engineering teams, and internal customers...  ...Experience & Skills Experience with Security Development Operations (SecDevOps) practices... 

    Emergent Technologies Inc

    Herndon, VA
    25 days ago
  • $190k - $220k

    Job Title Information Systems Security Engineer (ISSE) Job Description Information Systems Security Engineer (ISSE) Work Location: Reston,...  ...up to 10 or more years of ISSE experience Must have subject matter expert (SME) level of familiarity with Risk Management Framework... 
    Work experience placement
    Work at office

    Cape Fox Shared Services

    Reston, VA
    5 days ago
  • $180k - $205k

    Information Systems Security Engineer (ISSE) Location US-VA-Herndon ID 2026-8624 Category Information Technology...  ..., VA. Responsibilities Provide expert-level security support/guidance to...  .... We are deeply dedicated to what matters - bringing out the best in each other... 
    Full time
    Temporary work
    Remote work
    Flexible hours

    Markon Solutions

    Herndon, VA
    5 days ago
  •  ...world.HDR is looking for Professional Engineers for various disciplines and in multiple...  ...and dam safety industry leader. We are expert FERC Part 12 Dam Safety Program practitioners...  ...(PIs). Specifically, HDR seeks Subject Matter Experts in Civil, Hydraulics/Hydrology,... 
    Contract work
    Work at office
    Flexible hours

    HDR

    Vienna, VA
    2 days ago
  • $100k - $140k

     ..., you should have over 3 years of experience utilizing information security and assurance practices and principles. Proficiency in...  ...Responsibilities: ~ In your role as an Information Systems Security Engineer (ISSE), you will review and assess the Risk Management... 
    Full time

    ManTech

    Herndon, VA
    16 days ago
  •  ...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... 

    M2 Solutions

    Herndon, VA
    17 days ago
  •  ...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... 

    Tenica and Associates

    Herndon, VA
    more than 2 months ago
  • $135k - $216k

    ResponsibilitiesResponsibilitiesThe Information System Security Engineer (ISSE) leads and executes security engineering activities across complex information systems. Responsibilities include designing and implementing security architectures for new and existing networked... 
    Full time
    Contract work
    Shift work

    Peraton Corporation

    Herndon, VA
    13 days ago
  •  ...a timely and efficient manner. Apply expert qualitative and quantitative methods to...  ...screening effectiveness and complex management systems, processes, and procedures; document...  ...gender identity or expression, genetic information, marital status, citizenship status or... 
    Contract work
    Local area
    Shift work

    Leyden Solutions Inc

    Vienna, VA
    25 days ago
  • $131.3k - $237.35k

    Description As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance...  ...Original Posting:August 27, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably... 
    Local area
    Immediate start

    Leidos

    Reston, VA
    5 days ago
  • $87.1k - $157.45k

    Description Leidos is seeking an experienced Information Systems Security Engineer (ISSE) to lead the security architecture, design, and deployment of...  ...Original Posting:August 21, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably... 
    Work experience placement
    Local area
    Immediate start

    Leidos

    Reston, VA
    2 days ago
  • $168.1k - $205.4k

    Title: Information Systems Security Engineer (ISSE) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering...  ...the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let... 
    Temporary work
    Local area
    Relocation package
    Flexible hours

    KBR

    Chantilly, Loudoun County, VA
    5 days ago
  • $150k - $180k

    Information System Security Engineer Location US-VA-Chantilly ID 2026-8416 Category Information Technology Position Type Full-Time Remote No...  ..., advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our... 
    Full time
    Contract work
    Temporary work
    Remote work
    Flexible hours

    Markon Solutions

    Chantilly, Loudoun County, VA
    5 days ago
  • $106.5k - $197.5k

     ...sea and cyber domains in the interest of national security. Job Title: Information Security Systems Engineer (ISSE) Job Code: 44525 Job Location: Chantilly,...  ...who accept a conditional offer of employment may be subject to government security investigation(s) and must... 
    Local area
    Remote work
    Monday to Friday
    Flexible hours

    L3Harris Technologies

    Chantilly, Loudoun County, VA
    2 days ago
  • We are looking for an experienced Information System Security Engineer to support cybersecurity efforts for federal programs in Chantilly, Virginia...  ...meet required protection levels.• Provide subject matter expertise on firewall technologies, secure network design... 

    Robert Half

    Chantilly, Loudoun County, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Information Systems Security Engineer (Subject Matter Expert). Be the first to apply!