NewSenior Information Systems Security Officer (ISSO-3) LeidosSenior Information Systems Security Officer (ISSO-3)Annapolis Junction, MD$107,900–$195,050Seeking a self-starting, motivated individual to be the Information System Security Officer supporting Computer Network Operations with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework; will be responsible for 6 System Security Plans (SSPs). An associate’s degree or 18 semesters hours of military coursework/training in a computer-related field plus 10-years of relevant experience or high school diploma/GED plus 12-years of relevant experience may be considered.
Senior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
Sr. Software Engineer JobotSr. Software EngineerGaithersburg, MD$140,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
Senior Accountant (Hybrid) JobotSenior Accountant (Hybrid)Cockeysville, MD$80,000–$100,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will work closely with our finance team to maintain financial reports, records, and general ledgers, prepare and analyze budgets, and perform general accounting.
Management Analyst, Senior Bowhead / UIC Technical ServicesManagement Analyst, SeniorPatuxent River, MDknowledge sufficient to support senior Navy Leadership in facilitating sand developing command wide strategic planning and Enterprise level vision documents, administering large organization executive board meetings, and developing command-wide documentation. At least five (5) years of experience as an analyst of which at least 3 years must be specialized in a program management, technical, or business analysis discipline; and included in the five (5) years, there must be three (3) years professional experience supporting NAVAIR.
Senior Procurement Clerk Bowhead / UIC Technical ServicesSenior Procurement ClerkPatuxent River, MDAt least ten (10) years of experience and a master’s degree or bachelor’s degree plus four (4) additional years of experience may be substituted for a Master’s; of the minimum required 10 years of experience, at least 3 years of experience must be in a business functional area with the U.S. Navy or other DoD program. The effort provides a wide range of technical, project management, engineering, logistics, training, and administrative support for air, ship, shore, expeditionary, and surveillance systems that directly support warfighter operations.
Program Management Specialist, Program Manager, Senior Bowhead / UIC Technical ServicesProgram Management Specialist, Program Manager, SeniorPatuxent River, MDThis individual must have direct experience supporting the corporate operations for a major Legislative or Department of Defense (DoD) Echelon Command / Secretariat; past experience supporting a Navy or Marine Corps Command Element preferred. A BS or BA degree in Business Administration , Management or other relevant technical discipline is required in addition to at least six (6+) years of professional experience in an office operation or managment support contract.
Senior Data Scientist Bowhead / UIC Technical ServicesSenior Data ScientistPatuxent River, MDThe effort provides a wide range of technical, project management, engineering, logistics, training, and administrative support for air, ship, shore, expeditionary, and surveillance systems that directly support warfighter operations. The Senior Data Scientist leads the development and implementation of advanced techniques and analytics applications to transform raw data into actionable insights using data-oriented programming languages and visualization software.
Senior Analyst Bowhead / UIC Technical ServicesSenior AnalystPatuxent River, MDThis role serves as a strategic leader responsible for guiding analytical approaches, shaping project direction, and delivering high-impact solutions in support of mission-critical objectives. Senior Analyst: Bowhead is seeking a highly experienced Senior Analyst to support an upcoming effort at NAWCAD in Patuxent River, MD.
Senior Management Analyst Bowhead / UIC Technical ServicesSenior Management AnalystPatuxent River, MDAt least ten (10) years of experience and a master’s degree or bachelor’s degree plus four (4) additional years of experience may be substituted for a Master’s; of the minimum required 10 years of experience, at least 3 years of experience must be in a business functional area with the U.S. Navy or other DoD program. The effort provides a wide range of technical, project management, engineering, logistics, training, and administrative support for air, ship, shore, expeditionary, and surveillance systems that directly support warfighter operations.
Program Management Specialist, Project Manager, Senior Bowhead / UIC Technical ServicesProgram Management Specialist, Project Manager, SeniorPatuxent River, MDExperience performing complex evaluations of existing procedures, processes, communication techniques, models, and/or systems related to management problems for the corporate operations for a major Legislative or Department of Defense (DoD) Echelon Command / Secretariat; past experience supporting a Navy or Marine Corps Command Element preferred. Job duties will include, but not be limited to: Ensure project procedures and controls are followed, manage manning and staffing project efforts, and lead problem resolution efforts.
Senior Software Engineer (SWE-3) LeidosSenior Software Engineer (SWE-3)Fort Meade, MD$107,900–$195,050The software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Mission Focus: Work directly with data scientists as well as mission analysts to solve the most demanding strategic problems; perform end-to-end software engineering to prototype, develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture.
Sr. Systems Engineer - Microsoft 365 Trigyn Technologies IncSr. Systems Engineer - Microsoft 365Baltimore, MDTemporaryContractorFull timeExperience managing directory sync into Azure AD and deep knowledge of Azure AD Sync for Federation, authentication, SSO, and directory sync with Azure AD. Systems engineer – Microsoft 365 to develop solutions for e-mail and collaboration tools as well as handle day-to-day operations within the division.
NewAccess Control Security Officer SecuritasAccess Control Security OfficerBelcamp, MD$18–$20Frequent sitting, standing and walking, which may be required for long periods of time, and may involve climbing stairs and walking up inclines and on uneven terrain. Security Officers/Security Guards observes and reports activities and incidents at an assigned client site, providing for the security and safety of client property and personnel.
NewPatrolling Security Officer SecuritasPatrolling Security OfficerHagerstown, MD$19.24–$20Frequent sitting, standing and walking, which may be required for long periods of time, and may involve climbing stairs and walking up inclines and on uneven terrain. Security Officers/Security Guards observes and reports activities and incidents at an assigned client site, providing for the security and safety of client property and personnel.
NewSecurity Officer - Truck Gate SecuritasSecurity Officer - Truck GateCumberland, MD$16.58–$16.58Frequent sitting, standing and walking, which may be required for long periods of time, and may involve climbing stairs and walking up inclines and on uneven terrain. Security Officers/Security Guards observes and reports activities and incidents at an assigned client site, providing for the security and safety of client property and personnel.
Senior Construction Project Manager, CES Constellation EnergySenior Construction Project Manager, CESAnnapolis, MD$109,800–$134,200Manages and leads key aspects of project management support, including coordination of shop drawings and submittals, development and processing of change orders, response to Requests for Information (RFIs), tracking of project progress and schedules, preparation and tracking of invoices, as well as financial planning, cost forecasting, and schedule management. The Senior Construction Project Manager (PM) leads project teams and plans, directs, and coordinates activities of large-scale, energy efficiency-focused commercial construction projects.
Senior Research Engineer, Systems Engineering Team Tenable Network SecuritySenior Research Engineer, Systems Engineering TeamColumbia, MDRemote$122,500–$163,166.67 / yearDeep expertise in at least one relevant security domain (e.g., Application Security, Vulnerability Management, Cloud Security, Container Security, Threat Intelligence, Software Supply Chain, Network Security, Cryptography), combined with broad general knowledge across security and engineering. This team serves as the critical bridge between our Research organization and Product teams, driving technology transfer and productization of cutting-edge security innovations.
Sr. Application Specialist Keller North America, Inc.Sr. Application SpecialistHanover, MD$84,000–$107,000 / yearThis role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
NewSenior Systems Architect System OneSenior Systems ArchitectMS, Maryland$50–$70 / hourResponsibilitiesSupport a specialized enterprise architecture team in designing, developing, and evaluating proof-of-concept (PoC) solutions that enhance enterprise architecture artifacts, automation, and business process models. Produce and deliver high-quality documentation, briefings, and analytical products using Microsoft Office applications to support the USTRANSCOM Enterprise Architecture team.
NewSenior Help Desk Engineer System OneSenior Help Desk EngineerBethesda, MD$80,000–$95,000 / yearSystem One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Requirements Minimum of 5+ years of IT support experience, including at least 2 years in a supervisory or lead role .
Senior ServiceNow Architect System OneSenior ServiceNow ArchitectBaltimore, MD$55–$65 / hourMinimum of five (5) years of experience creating, configuring, and administering Jira projects, including workflows, issue types, custom fields, dashboards, permissions, and integrations with ServiceNow to support cross-platform collaboration. Support Jira development and administration activities, including workflow configuration, custom fields, issue types, dashboards, and integrations with ServiceNow to enable seamless collaboration and tracking across platforms.
Sr. Identity and Access Management (ICAM) Engineer LeidosSr. Identity and Access Management (ICAM) EngineerRockville, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Leidos Dig Mod Health IT division is seeking an expert-level Senior Microsoft Identity Engineer to lead complex identity management solutions for large-scale government digital transformation initiatives.
Sr. Application Specialist 1BritcomSr. Application SpecialistHanover, MD$84,000–$107,000 / yearThis role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
Senior Director, Ecosystem & Solution Architectures - Technical Alliances Tenable Network SecuritySenior Director, Ecosystem & Solution Architectures - Technical AlliancesColumbia, MD$202,000–$269,333.33 / yearProcess & Escalation: Define and enforce clear, compliant escalation processes, acting as the exclusive point of contact for external technical vendors to prevent unauthorized direct communication with Tenable customers or other internal teams. The role requires deep technical knowledge across Tenables product suite and a proven ability to lead intricate, cross-functional projects with a focus on both strategic product-market fit and hands-on technical execution.
Senior Contracts Manager LeidosSenior Contracts ManagerColumbia, MD$116,350–$210,325The selected candidate will oversee a diverse portfolio of contracts aligned to our Cyber & Analytics Business Area and must have experience providing cradle-to-grave contract administration support for FFP, CPAF, CPFF and T&M government contracts; including RFP analysis, hands-on proposal development, coordination of appropriate internal reviews, contract negotiation, and contract/task order administration and execution. Experience with Government (FAR / DFAR) contracting: Fixed Price (FP), Time & Material (T&M), Cost Plus Award Fee (CPAF), Cost Plus Fixed Fee (CPFF), Level of Effort (LOE), Indefinite Delivery / Indefinite Quantity (IDIQ) and General Service Administration (GSA) type contracts.
Senior System Administrator III Varada ConsultingSenior System Administrator IIILinthicum, MDRequired Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
Senior MAVEN Architect & Operations Integrator LeidosSenior MAVEN Architect & Operations IntegratorOdenton, MD$131,300–$237,350Portal Management & Technical Integration: Provide senior operational leadership within an agile development team, actively participating in technical interchange meetings, architectural reviews, and sprint planning to represent the voice of the end-user. Serve as a MAVEN Architecture & Mission Integration SME: Act as the primary operational authority for DISA J 3/5/7 MAVEN deployments, ensuring all developed tools and dashboards strictly align with Joint Staff mission requirements and Combatant Command battle rhythms.
Senior MAVEN Architect & Mission Integrator SME LeidosSenior MAVEN Architect & Mission Integrator SMEOdenton, MD$131,300–$237,350Portal Management & Technical Integration: Provide senior operational leadership within an agile development team, actively participating in technical interchange meetings, architectural reviews, and sprint planning to represent the voice of the end-user. Serve as a MAVEN Architecture & Mission Integration SME: Act as the primary operational authority for DISA J 3/5/7 MAVEN deployments, ensuring all developed tools and dashboards strictly align with Joint Staff mission requirements and Combatant Command battle rhythms.
Senior Software Engineer LeidosSenior Software EngineerGaithersburg, MD$107,900–$195,050Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.
NewSenior Salesforce Developer Architect LeidosSenior Salesforce Developer ArchitectGaithersburg, MDRemote$107,900–$195,050The successful candidate will serve as both a hands-on technical contributor and Salesforce solution architect, providing leadership throughout the entire software development lifecycle—from requirements analysis and solution design to development, testing, deployment, and operational support. This role is responsible for the design, development, integration, and optimization of mission-critical Salesforce solutions supporting customer relationship management (CRM), knowledge management (KM), public-facing portals, and other enterprise business functions.
Senior AI Engineer (SWE-3) LeidosSenior AI Engineer (SWE-3)Linthicum Heights, MD$107,900–$195,050Mission Focus: Collaborate closely with technical leadership to design, develop, and maintain LLM orchestration frameworks that coordinate static analyzers, retrieval-augmented generation (RAG) systems, and automated testing pipelines. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Cyber Security Watch Officer LeidosCyber Security Watch OfficerOdenton, MD$69,550–$125,725Assist senior CSWOs in providing technical oversight of information security services and customer support initiatives, by updating DoD shared SA and knowledge management (KM) tools, including CMDNet, websites, blogs, and wikis, chat, collaboration tools, and portals. CSWOs are principally engaged in the triage of events, cyber incident handling, network analysis and threat detection, trend analysis, metric development, vulnerability information dissemination, and the DoD Cyber Security Service Provider (CSSP) methodology.
Surveillance Security Rover GardaWorld Security Services U.S.Surveillance Security RoverEllicott City, MDGardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe. This policy applies to all terms and conditions of employment including, but not limited to hiring, placement, assignment, promotion, termination, layoffs, recalls, transfers, leaves of absence, compensation, and training.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 8, 2026For 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.
Senior Software Engineer Tenable Network SecuritySenior Software EngineerColumbia, MD$137,500–$183,500 / yearAs a Software Engineer, you will work across the stack , building microservices, APIs, and user interfaces , leveraging modern frameworks and cloud technologies. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters.
NewSenior Portfolio Manager and Systems Integration SME LeidosSenior Portfolio Manager and Systems Integration SMEBethesda, MD$139,100–$251,450Equally important is the ability to operate as a disciplined team member who reinforces the cohesion of a tight-knit unit operating under significant pressure in management of a diverse and large portfolio of enterprise capabilities. Strong analytical competence, problem-solving, communication and organizational skills Provide audience-appropriate written and verbal communications and demonstrate strong interpersonal and customer service skills.
NewSenior Director, Product Management & Strategy Gables Search GroupSenior Director, Product Management & StrategyGaithersburg, MD$220,000–$260,000This person brings strong executive presence, earns the respect of highly technical engineering teams, and leads with both quantitative rigor and commercial instinct. The ideal candidate will own P&L, drive commercialization, and serve as the strategic voice of the customer in the life sciences research market.
NewSr. Network Engineer LeidosSr. Network EngineerOdenton, MD$92,300–$166,850Identify legacy service paths (i.e. dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be enterprise service capability to meet requirements while balancing security, sustainability, and maintainability. Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and unique requirements to develop a design and architecture leveraging approved design patterns.
Sr. Software Engineer TS/SCI Polygraph LeidosSr. Software Engineer TS/SCI PolygraphAnnapolis Junction, MD$131,300–$237,350You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Senior Director, Federal Sales Tenable Network SecuritySenior Director, Federal SalesColumbia, MD$188,000–$250,666.67 / yearWe are seeking a Senior Director of Federal Sales to lead a high-performing team of seasoned sales professionals across the Civilian, Department of Defense (DoD), Intelligence Community (IC), and Federal System Integrator (FSI) sectors. Ecosystem & Alliance Building: Cultivate high-impact relationships with FSIs and specialized Federal channel partners to co-design and execute winning joint-sales campaigns.
NewInformation System Security Officer LeidosInformation System Security OfficerGaithersburg, MD$107,900–$195,050The ISSO is responsible for meeting regulatory and non-regulatory compliance (security best practices) demands, providing leadership over security assessment activities, working across system ownership and management organizations to test security controls, policies, and procedures, providing program management support, team leadership, and participating in and coordinating the support as needed for security assessment and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and program staff about proper security practices. The ISSO conducts security and risk assessments as required using a range of security accreditation frameworks (e.g., NIST, RMF, Common Criteria, DoD, the Intelligence Community Directives (ICDs)), and works to mitigate risks by applying security controls effectively to achieve an acceptable degree of operational risk.
NewSr. Program Manager LeidosSr. Program ManagerEdgewood, MD$154,050–$278,475This mission-critical effort delivers secure perimeter access control capabilities across Army Installations worldwide, including CONUS, Alaska, Hawaii, Kwajalein, Puerto Rico, and future OCONUS expansions into PACOM, USAEUR, and EMEA. The successful candidate will lead enterprise-level operations, cybersecurity compliance, logistics support, cloud-enabled sustainment, and installation modernization initiatives supporting Army and Joint force protection missions worldwide.
NewCybersecurity Engineering (EMASS) - PNT CredenceCybersecurity Engineering (EMASS) - PNTAberdeen Proving Ground, MD$120,000–$160,000Attend and provide classified and unclassified IA and cybersecurity support at PM PNT IPT meetings, working groups, PNT forums, and technical reviews, including SSR, SRR, system functional review, PDR, CDR, PRR, FCA, and PCA events. Plan, create, review, coordinate, and maintain classified and unclassified PM PNT IA and cybersecurity acquisition documentation, including Cybersecurity Strategy, Clinger-Cohen Act documentation, SEP, TEMP, and acquisition strategy updates.
Cognizant/Alternate Cognizant Security Officer Company ConfidentialCognizant/Alternate Cognizant Security OfficerSuitland, MD$53,937–$114,395Full timeOur capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Sr. Software Developer (Real-Time Simulation & Dev Lab) - 27748 Company ConfidentialSr. Software Developer (Real-Time Simulation & Dev Lab) - 27748California, MD$128,989–$185,000Full time9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. As part of an on‑site team supporting NAWCAD, you will design, enhance, and maintain critical software components used across the JSE ecosystem—including NGTS, DIADS, GRID, and other constructive and virtual simulation frameworks.
Sr. Tactical Operations and Air/Weapons Specialist - 27747 Company ConfidentialSr. Tactical Operations and Air/Weapons Specialist - 27747California, MD$135,135–$200,000Full timeHII Mission Technologies is seeking a Senior Tactical Operations and Air/Weapons Specialist to support advanced modeling, simulation, and tactical employment activities within the Joint Simulation Environment (JSE) at NAS Patuxent River, MD. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Senior Cloud Engineer (Multiple Levels) - 28329 Company ConfidentialSenior Cloud Engineer (Multiple Levels) - 28329Hanover, MD$115,119–$196,443Full timeLevel 4: 9 years experience with Bachelors in related field; 7 years experience with Masters in a related field or 4 years experience with a PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. Level 3: 5 years experience with Bachelors in related field; 3 years experience with Masters in a related field or 0 years experience with a PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 6 years relevant experience.
Senior Software Engineer (Hybrid) - 27020 Company ConfidentialSenior Software Engineer (Hybrid) - 27020Columbia, MDFull timeYou will tackle a diverse set of challenges, from developing robust API endpoints and modifying complex open-source systems like Trino, to architecting intricate identity federation solutions, managing large-scale data ingest, and streamlining our deployment automation. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.
Senior Digital Verification Engineer 4 - 23335 (FS Poly Required) Company ConfidentialSenior Digital Verification Engineer 4 - 23335 (FS Poly Required)Fort Meade, MD$116,245–$190,900Full timeWhen extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.