div>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. December 12, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Linthicum, Maryland30+ days ago
div>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. March 9, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Chantilly, Virginia24 days ago
Responsibilities: Peraton is seeking a Senior System Developer with extensive integration experience to join our team in developing, integrating, and testing new capabilities while supporting Operations and Maintenance of a Linux- and Windows-based operational and administrative system in our Chantilly, VA office.
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
Springfield, VA30+ days ago
You will work alongside experienced GEOINT professionals who value clear communication, disciplined engineering, and systems that work as intended in operational environments. - Bachelor's degree or higher in a STEM or GEOINT‑related discipline, including:
Fort Meade, Maryland30+ days ago
Node Zero autonomous pen testing platform and (2) create and curate the training datasets required to enable future AI-powered cyber tools. Responsibilities: The Instructional Systems Developer (ISD) designs and develops training materials that prepare USCYBERCOMMAND personnel to (1) operationally use the Horizon3.ai
p>If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. Incident Resolution: Troubleshoot platform issues, respond to user service requests, and resolve incidents in a timely manner, escalate to System Developers or other team members as appropriate.
Laurel, Maryland21 days ago
p style="margin:0px">Applies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning: incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. The Level 1 Information Systems Security Engineer (ISSE) shall possess the following capabilities:
- Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments .
p>Applies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning: incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. The Level 1 Information Systems Security Engineer (ISSE) shall possess the following capabilities:
- Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
Chantilly, Virginia5 days ago
p style="margin:0in">If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. Company Overview: We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide.
li>Must have a bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university, OR 11 years of Information Systems Security Engineer experience if a degree is not held, and must meet DoD 8570 compliance with IASAE Level 2.
Active TS/SCI clearance with Polygraph is required.
Requirements:
Must have the ability to participate as a security engineering representative on engineering teams for the design, development, implementation, evaluation, and integration of secure networking, computing, and enclave environments, including serving as the primary representative when required.
p>_____. Required Skills:
Must be a U.S. Citizen Must have TS/SCI clearance with polygraph Minimum of six (6) years in the use of adult learning theories, methods, strategies, best practices, and techniques of instructional curriculum development and evaluations to assist in the development and delivery of lessons utilized in multiple courses.
div>The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is:
$106,300—$221,100 USD
What We Believe
As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.
If you are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.
Other Employment Statements
Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.
Candidates who are currently employed by a client of Accenture Federal Services or an affiliated Accenture business may not be eligible for consideration.
Annapolis Junction, MD30+ days ago
Success in this role looks like digging in with your teams to effectively perform requirements analysis, refinement, documentation, some testing support, and pushing secure access solutions forward to support the customer. For the full list of LufCo Benefits, visit our website: https://www.lufburrow.com/careers .
div> Position Overview:
- Develop and design complex reports using Power BI and SQL querying.
Key Responsibilities:
- Analyze data from multiple sources and identify validation processes.
Chantilly, VA30+ days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
7+ years in Engineering and Developing (Network, Communications, Computer Systems), Computer Science, Computer Information Systems or equivalent relevant work experience.
Chantilly, Virginia6 days ago
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
McLean, Virginia14 days ago
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
Chantilly, Virginia30+ days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
7+ years in Engineering and Developing (Network, Communications, Computer Systems), Computer Science, Computer Information Systems or equivalent relevant work experience.
McLean, Virginia27 days ago
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners.
p>Country Code+1+1242+1246+1264+1268+1284+1340+1441+1473+1649+1664+1670+1671+1684+1758+1767+1784+1849+1868+1869+1876+1939+20+211+212+213+216+218+220+221+222+223+224+225+226+227+228+229+230+231+232+233+234+235+236+237+238+239+240+241+242+243+244+245+248+249+250+251+252+253+254+255+256+257+258+261+262+264+265+266+267+268+269+27+290+291+297+298+299+30+31+32+33+34+345+350+351+352+353+354+355+356+357+358+359+36+370+371+372+373+374+375+376+377+378+379+380+381+382+385+386+387+389+39+40+41+420+421+423+43+44+45+46+47+48+49+500+501+502+503+504+505+506+507+508+509+51+52+53+54+55+56+57+58+590+591+593+594+595+596+597+598+599+60+61+62+63+64+65+66+670+672+673+674+675+676+677+678+679+680+681+682+683+685+686+687+688+689+690+692+7+77+81+82+84+850+852+853+855+856+86+872+880+886+90+91+92+93+94+95+960+961+962+963+964+965+966+967+968+970+971+972+973+974+975+976+977+98+992+993+994+995+996+998Phone Number. Job CategorySelect a Job CategoryB2B SalesBilingualCall CenterCorporateCustomer ServiceCybersecurityData and AnalyticsDeveloperEarly Careers & InternshipsField SalesFinanceGovernment SupportHuman ResourcesInstallation TechnicianInternshipsLegalMarketing & Public RelationsPart TimeRetailSalesSecurity ClearanceSupply ChainTechnicianTechnologyWork From Home.
Annapolis Junction, Maryland18 days ago
Working alongside experts in software engineering, cloud computing, DevSecOps, systems engineering, user experience, and enterprise platforms, you'll help modernize legacy systems, automate business processes, integrate commercial technologies, and deliver innovative solutions that improve efficiency, reduce costs, and enhance the user experience. These mission-enabling applications support workforce management, finance, acquisitions, security processing, training, recruitment, logistics, program management, executive decision-making, and other critical business functions across multiple secure environments.
li style="font-family:'verdana' , 'geneva' , sans-serif;font-size:14pt;color:black">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. Please click here for the E-Verify Poster in English or Spanish.
p>Bachelor of Science Degree in Information Technology Discipline with 2 years of work experience in any combination of: System Administrator (SA), Information System Security Officer (ISSO), Information System Security Engineer (ISSE), Information Technology (IT) Service Desk, Computer Network Defense (CND) Analyst, Telecommunication Technician, and Network Administration. Associates Degree in Information Technology Discipline with 4 years of work experience in any combination of: System Administrator (SA), Information System Security Officer (ISSO), Information System Security Engineer (ISSE), Information Technology (IT) Service Desk, Computer Network Defense (CND) Analyst, Telecommunication Technician, and Network Administration.
li>Customer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services. Selectees who physically reside permanently in the U.S., the Commonwealth of Puerto Rico or Northern Mariana Islands, and the Possessions of the U.S., during the entire recruitment process (application, selection, and acceptance of a formal job offer) and selected for employment in the foreign area are eligible to receive certain foreign area benefits such as: Living Quarters Allowance (LQA) or government quarters, Post Allowance, Home Leave, etc.
p>Required: - Bachelor's degree in Aerospace Engineering, Systems Engineering, Electrical Engineering, Computer Engineering, Physics, Computer Science, or a related technical discipline. This position serves as a critical interface between spacecraft operations teams, system developers, and factory engineering organizations to ensure capabilities are successfully integrated into operations and mission objectives are achieved.
Chantilly, VA30+ days ago
li>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. 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.
Chantilly, Virginia3 days ago
p style="margin:0px">The Intelligence Programs Group (IPG), part of SPA’s Space and Intelligence Division, is a specialized provider of systems engineering and trusted advisory services to the Space and National Intelligence community. This position serves as a critical interface between spacecraft operations teams, system developers, and factory engineering organizations to ensure capabilities are successfully integrated into operations and mission objectives are achieved.
p>Peraton is seeking a Senior System Developer with extensive integration experience to join our team in developing, integrating, and testing new capabilities while supporting Operations and Maintenance of a Linux- and Windows-based operational and administrative system in our Chantilly, VA office. Benefits:
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
Frederick, MD30+ days ago
You'll contribute approximately 50% of your time to electronics engineering tasks (circuit design, PCB layout, hardware debugging, sensor integration) and 50% to software development (embedded systems, firmware development, data acquisition, and analytics infrastructure support). This hybrid role offers unique exposure to both hardware and software disciplines, ideal for someone who enjoys variety and wants to build broad systems engineering capabilities in the defense/aerospace sector.
Frederick, MD30+ days ago
Successful candidates will have demonstrated experience in the development, analysis, design, and performance planning for military and commercial radio communications and networks. WGS Systems, a leading innovator in communications and defense industries is looking to expand our leveraging of advanced data solutions for mission-critical applications.
Frederick, Maryland30+ days ago
div>You'll contribute approximately 50% of your time to electronics engineering tasks (circuit design, PCB layout, hardware debugging, sensor integration) and 50% to software development (embedded systems, firmware development, data acquisition, and analytics infrastructure support).
WGS Systems, LLC is an award-winning Maryland based small business founded in 2007 to provide military, intelligence and law enforcement organizations around the world affordable, innovative, and high-performance systems.
div>The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is:
$135,200—$278,500 USD
What We Believe
As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. Accommodations made to facilitate the recruiting process are not a guarantee of future or continued accommodations once hired.
If you are being considered for employment opportunities with Accenture Federal Services and need an accommodation for a disability or religious observance during the interview process or for the job you are interviewing for, please speak with your recruiter.
Other Employment Statements
Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States.
Candidates who are currently employed by a client of Accenture Federal Services or an affiliated Accenture business may not be eligible for consideration.