NewSenior Information Systems Security Officer Shield AISenior Information Systems Security OfficerWashington, DCThe ideal candidate has experience administering and securing SAP information systems, working with government security stakeholders, and implementing cybersecurity controls in accordance with NIST, JSIG, and DoD policies. We are seeking a mid-level Information System Security Officer (ISSO) to support and manage classified and/or sensitive information systems operating under the Department of Defense (DoD) Special Access Program (SAP) environment.
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.
NewLinux Systems Administrator - TS/SCI-FSP clearance JobotLinux Systems Administrator - TS/SCI-FSP clearanceFort Meade, MD$130,000–$180,000 / yearWith a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. Information 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.
Federal Financial Management System Savantage SolutionsFederal Financial Management SystemWashington, DC$135,000–$165,000 / yearYou will operate at the intersection of federal financial accounting and modern low-code/AI tooling, independently building reports and queries, validating financial data, and supporting agency stakeholders without routing every request through senior technical staff. This is a growth-track role built for an early-career accounting professional ready to move beyond traditional financial operations into AI-assisted research, self-service data analysis, and citizen development.
Junior Weapon Systems Manager Bowhead / UIC Technical ServicesJunior Weapon Systems ManagerAberdeen, MDThis position may include select Program Analyst responsibilities, depending on team needs, alongside management of a small FMS Weapon Systems Manager caseload supporting Foreign Military Sales (FMS) case execution from initial request through long‑term sustainment. Junior Weapon Systems Manager (WSM): Bowhead seeks a Junior Weapon Systems Manager (WSM) to perform a dual-hatted role supporting the CECOM Security Assistance Management Directorate (SAMD).
Product Manager (PdM) Multi-Mission Surveillance Systems (M2S2) Landing Page Bowhead / UIC Technical ServicesProduct Manager (PdM) Multi-Mission Surveillance Systems (M2S2) Landing PageAberdeen, MD$50,000–$200,000 / yearIn this role, Bowhead will provide services to support PdM M2S2 in the following areas: programmatic, technical, engineering, testing, logistics, maintenance, training, integration, business management, administrative, and operational program support. Product Manager (PdM) Multi-Mission Surveillance Systems (M2S2) Landing Page: Bowhead is seeking professionals to connect with regarding a potential opportunity supporting the Product Manager (PdM) Multi-Mission Surveillance Systems (M2S2) contract.
NewHPC Systems Administrator - TS clearance JobotHPC Systems Administrator - TS clearanceAberdeen, MD$140,000–$180,000 / yearWith a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. Information 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.
NewIT - Systems Engineer II PlanIT GroupIT - Systems Engineer IIWashington, DCThe selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities: Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.
NewSystems Architect Govcio LLCSystems ArchitectFort Meade, MD$161,900–$199,260The architect ensures cybersecurity, data governance, and user interaction requirements are embedded from the outset, enabling rapid IOC execution while positioning the capability for efficient authorization, scaling, and operationalization in the subsequent option year. Responsibilities: The System Architect designs the end-to-end technical architecture for an autonomous pentesting and data collection capability supporting rapid cyber terrain assessment and AI training objectives.
Network Based Systems Analyst - III Base One TechnologyNetwork Based Systems Analyst - IIIArlington, VA$100,000–$140,000 / yearContractorProvides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.
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.
Weapon Control Analyst/Engineer, Shipboard Systems Group Johns Hopkins Applied Physics Laboratory (APL)Weapon Control Analyst/Engineer, Shipboard Systems GroupLaurel, MD$100,000–$245,000We are seeking a current or former Trident II D5 Strategic Weapon System (SWS) operator to serve as a Subject Matter Expert (SME) on a cross-disciplinary team dedicated to supporting the Navy and warfighter through system analysis and virtual trainer development. Do you love the idea of designing immersive training systems that train sailors to operate the weapon system, while also analyzing data to ensure it continues performing at peak efficiency?.
NewData Center Operations & Security Lead (TS/SCI w/ Poly) JobotData Center Operations & Security Lead (TS/SCI w/ Poly)Washington, DC$190,000–$235,000 / yearA mission-focused engineering organization supporting classified U.S. Government programs is seeking an experienced Data Center Operations & Security Lead to oversee secure infrastructure environments within a high-availability facility. Information 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.
Senior Systems Architect System OneSenior Systems ArchitectMS, Maryland$50–$70 / hourResponsibilities Support 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 Product Manager, Pipeline Generation Systems - Remote CriblSenior Product Manager, Pipeline Generation Systems - RemoteWashington DC, DCRemote$105,000–$160,000 / yearCross-Functional Stakeholder Partnership: Build strong relationships across Marketing, Sales Development, Revenue, Marketing and Revenue Operations teams, and technical teams, serving as a facilitator and product leader who can align stakeholders, clarify decisions, and move ambiguous initiatives toward measurable business outcomes. Your key responsibilities will include: AI Innovation Strategy for Pipeline Generation: Define and execute a compelling product vision and roadmap centered on how AI can materially increase pipeline, improve seller focus, and make GTM execution more intelligent across lead capture, prioritization, routing, attribution, and account-based motions.
Senior Systems Analyst MANTECHSenior Systems AnalystArlington, VAExperience with Microsoft Windows Systems, specifically: Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft Windows 10; administering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere, Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP. Providing Tier II IT Systems support on a wide range of technologies, including VMware vCenter, Horizon View, Site Recovery Manager, SolarWinds, Cisco Catalyst Center (DNAC), GEMOne, HP SANs, Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems.
Senior Systems Design Engineer / Analyst Johns Hopkins Applied Physics Laboratory (APL)Senior Systems Design Engineer / AnalystLaurel, MD$100,000–$245,000Shape weapon‑system architectures – Using digital‑engineering tools (Cameo/MagicDraw, physics‑based models, logistics and simulation) you will evaluate current and future weapon concepts, assess performance, and construct resilient, modular designs that meet stringent deterrence requirements. Significant Multi‑disciplinary design depth – A proven record of leading design efforts that span at least three distinct “hard‑science” engineering domains (e.g., mechanical, electrical/electronic, aerospace, nuclear, materials, chemical, petroleum, civil, etc.).
NewSr. Exchange Online (EXO) Administrator (Systems Engineer) System OneSr. Exchange Online (EXO) Administrator (Systems Engineer)Washington, DCManage and maintain our hybrid Exchange environment, including on-premises Exchange Server and Exchange Online (Microsoft 365). • Implement anti-spam, anti-malware, and threat protection using Microsoft Defender for Office 365.
NewInteroperability and Communications Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Interoperability and Communications Systems EngineerLaurel, MD$105,000–$290,000Description Are you a committed problem-solver with passion for operational tactical data communications? Do you thrive working collaboratively where creativity is encouraged? If so, we're looking for you to join our systems interoperability team at APL! We are seeking creative, motivated, and hard-working engineer who is pas...
NewRadar Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Radar Systems EngineerLaurel, MD$85,000–$195,000APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Weapon System Manager Bowhead / UIC Technical ServicesWeapon System ManagerAberdeen, MDVetting release of FMS country-requested equipment in accordance with technology security and transfer requirements, export controls, disclosure of classified and controlled unclassified information, and system-specific release requirements for sensitive technologies frequently requested by foreign partners. The Logistics Management Specialist will be responsible for logistics and acquisition type duties related to FMS cases from cradle to grave from initial request of equipment through planning for long-term program life-cycle sustainment.
NewSenior Ocean Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Ocean Systems EngineerLaurel, MD$100,000–$245,000You will work with a team from government, industry, and academia to develop performance specifications, lead technical studies, and develop systems engineering products for emerging maritime programs, to include autonomous undersea vehicles (AUVs). Collaborate with multiple DoD system partners to evaluate current strategies, risks, and opportunities to develop and implement T&E strategies that refine/improve their programs and missions.
Computer Systems Engineer - Pega Resource LeidosComputer Systems Engineer - Pega ResourceWashington, DC$107,900–$195,050The ideal resource will be working as part of a technical support team that designs, builds, maintains and supports the enterprise PEGA infrastructure, reviews, tests and implements patches and upgrades, while developing and maintaining complete and accurate documentation for supported environments. Bachelor's Degree Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field and 8+ years of relevant experience or a Master’s Degree in Computer Science, Mathematics, Engineering, or a related field and 6 years of relevant experience.
Senior Cloud Systems Administrator -AZURE - ACTIVE SECRET ASD GLOBALSenior Cloud Systems Administrator -AZURE - ACTIVE SECRETWashington, DC$75–$82 / hourContractorAddress all vulnerabilities identified via system scanningQUALIFICATIONS: Education: • Technical Training, Certification(s) or Degree, or equivalent experience. admin tasks (provisioning new servers, configuring roles/features, or backing up.
NewCombat Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Combat Systems EngineerLaurel, MD$100,000–$245,000In the Distributed Tactical Awareness and Decision-Making Group, we work to solve command and control challenges related to sensor and weapon integration, information fusion, and distributed kill chains. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
NewDigital Communications Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Digital Communications Systems EngineerLaurel, MD$100,000–$245,000Can demonstrate proficiency in using modeling tools and software, such as Cameo Systems Modeler, Sparx Enterprise Architect, Capella, Visual Paradigm, or IBM Engineering Systems Rational Rhapsody. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Lead Systems Integration Engineer LeidosLead Systems Integration EngineerGlenwood, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 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.
NewSr Cloud Security Engineer PlanIT GroupSr Cloud Security EngineerFalls Church, VAExperience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.
Senior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).
Systems Integration Engineer LeidosSystems Integration EngineerMount Airy, MD$87,100–$157,450TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 25, 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.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerWashington, DC$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 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.
Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$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 22, 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.
NewSenior Nuclear Surety Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Nuclear Surety Systems EngineerLaurel, MD$100,000–$245,000Serve as the Lab’s focal point and thought leader for nuclear surety engineering with emphasis on leveraging and implementing systems engineering principles to enhance strategic systems nuclear surety design and modifications. Are you interested in applying technical leadership, innovation, system engineering skills, and specialty nuclear surety expertise toward the difficult critical challenges of ensuring the safety and security of this nation’s most critical defense systems?.
NewSecurity Engineer - Vulnerability Management System OneSecurity Engineer - Vulnerability ManagementWashington, DC$57.10 / hourSupport the Department of Transportation’s Cybersecurity mission by joining a dedicated team of cybersecurity professionals that collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and infrastructure. Familiarity with vulnerability management lifecycle, cloud systems, operating systems, networks, and security best practices, including NIST frameworks.
Systems Engineer LeidosSystems EngineerRockville, MD$87,100–$157,450If 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. April 28, 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.
NewDirector, ServiceNow Security Operations Architect KPMGDirector, ServiceNow Security Operations ArchitectWashington, DCCollaborate closely with KPMG and ServiceNow sales teams to develop and present compelling technical solutions, product demonstrations, and architectural designs focused on ServiceNow's security portfolio (e.g., Security Incident Response (SIR), Vulnerability Response, Threat Intelligence, and Integrated Risk Management). Hands-on experience with automation, orchestration, and integrations within ServiceNow, as well as familiarity with broader security tools (SIEM, SOAR); exceptional client-facing and presentation skills with a demonstrated ability to lead technical sales discussions, build client relationships, and align solutions with business needs.
NewSecurity Officer - Entry Level SecuritasSecurity Officer - Entry LevelArlington, VA$19.75With over 640 local branch managers and approximately 86,000 security officers, Securitas provide specialized guarding, mobile guarding, remote guarding, and corporate risk management to thousands of businesses. Why This Role Is Great for Recent Graduates & Career Starters: Whether you have just finished high school or you’re looking for a fresh start in a new field, this role gives you: Weekly Pay – Get paid every week.
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.
NewAviation Electronics, Electrical & Computer Systems Technician U.S. NavyAviation Electronics, Electrical & Computer Systems TechnicianSeat Pleasant, MDWork Environment Assignments with squadrons at naval air stations and aboard aircraft carriers worldwide; work in hangars, avionics labs, and outdoors on flight lines in all weather conditions and high noise environments; close teamwork with other aviation ratings and aircrew in a structured maintenance organization; potential temporary duty with detachments and deployments supporting carrier or expeditionary operations. Additional qualifications for this job may include: United States citizenship and eligibility for a security clearance; normal color perception; interest in aviation and working around aircraft; strong aptitude in electronics, computers, and precision technical work; manual dexterity, good memory, and physical fitness sufficient to work safely on flight lines, in hangars, and on shipboard aircraft.
Security Operations Analyst with Python System OneSecurity Operations Analyst with PythonWashington, DCRemote$85,000–$95,000 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Familiarity with Shodan, Censys, VirusTotal, domain/IP enrichment, or similar open-source cyber intelligence tools.
NetOps System Administrator Shift Lead By Light Professional IT ServicesNetOps System Administrator Shift LeadFort Meade, MD$125,000–$140,000 / yearThe Network Operations (NetOps) Shift Lead will lead shift personnel in supporting the daily operations, performance, and availability of network infrastructure and services. Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains.
NetOps System Administrator By Light Professional IT ServicesNetOps System AdministratorFort Meade, MD$110,000–$130,000 / yearThe Network Operations (NetOps) Shift Lead will lead shift personnel in supporting the daily operations, performance, and availability of network infrastructure and services. Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains.
STRMM System Administrator BERING STRAITS PROFESSIONAL SERVICES LLCSTRMM System AdministratorAberdeen, MDEducation Requirements: Bachelor’s degree in Computer Science, OR An associate’s degree plus seven (7) total years of recent specialized experience, OR a certification plus seven (7) years of recent specialized experience, OR eleven (11) total years of recent specialized experience. Must hold the following certifications: advanced certifications CompTIA A+, CompTIA Network+ CCNP, CCNA, MCSE and leadership in large-scale network operations.
VP, Global Head of Product Security and Risk - Remote CircleVP, Global Head of Product Security and Risk - RemoteWashington DC, DCRemote$317,500–$365,000 / yearThis role requires both strategic vision and operational rigor: you will architect the systems, governance models, and organizational capabilities that ensure Circle’s products are designed, launched, and operated with strong, risk-based controls from inception through global scale. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet.
Staff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyWashington DC, DCDistributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
NewRadar System Engineer - Maritime and Next-Generation Radars Johns Hopkins Applied Physics Laboratory (APL)Radar System Engineer - Maritime and Next-Generation RadarsLaurel, MD$85,000–$195,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewRCDD Technology Engineer JobotRCDD Technology EngineerBaltimore, MD$140,000–$190,000 / 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. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.
NewLead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerBethesda, MD$131,300–$237,350Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. 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.