5,210 Results for

Cyber Security Jobs in Beltsville, MD

Jobs

Cyber Security Manager Leidos

Alexandria, VA

$131,300–$237,350 / year

Leidos is seeking an experienced Cyber Security Manager to lead cybersecurity engineering, risk management, authorization, and security operations support for the United States Coast Guard’s Command, Control, Communications, Computers, Cyber, and Intelligence Service Center (C5ISC) in Alexandria, VA. The manager will work closely with Coast Guard cybersecurity leadership, authorizing stakeholders, cloud engineering and operations teams, and program management to strengthen security posture, accelerate compliant delivery, and reduce mission risk.

16 days ago

Cyber Security Watch Officer - Evenings Leidos

Washington, DC

$87,100–$157,450 / year

Our 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. 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 .

16 days ago

Cyber Systems Engineer/Analyst Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Have a detailed understanding of multiple layers of operational concepts, including mission, infrastructure, platform, service, and endpoints, and apply that knowledge to improving capabilities as they are developed, throughout the systems engineering lifecycle, and transitioned to the operational environment. Lead efforts to design and develop systems to meet operational requirements, with a focus on capabilities to support cyber operations, by collaborating with multi-disciplinary teams and guiding them as the system proceeds through the systems engineering lifecycle.

3 days ago

Cyber Mission Engineer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Have experience leading cross-functional technical teams, coordinating partner organizations or external performers, mentoring staff, managing technical dependencies and risks, and communicating complex concepts to operators, engineers, program leaders, and senior decision-makers. Have planned, coordinated, or integrated cyber or other special technical operations at the tactical or operational level; served as a cyber operator, mission planner, technical director, system integrator, or operational test lead; or completed Joint Professional Military Education Phase I.

3 days ago

Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.

Today

Combat Systems Cyber Engineer - Submarine Warfare Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Possess a BS degree, ideally in Cyber Security, Electrical Engineering, Applied Mathematics, Computer Science, or a related field, are Submarine Warfare qualified, and have extensive relevant experience with detailed operational employment of submarines and their systems, to include offensive or defensive cyber operations. Coordinate with system developers, Navy labs, and other University-affiliated research centers to plan and execute cyber resiliency test, ensuring cyber test scope, analysis methodology, appropriate measures of performance, and data required to execute analysis are mission-relevant and comprehensive.

1 day ago

Reverse Engineer / Cyber Capabilities Engineer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Our elite team of reverse engineers is growing, and we're looking for engineers who are excited to dive deep into complex embedded systems, discover vulnerabilities, and build offensive cyber capabilities that solve real-world national security challenges. Work alongside APL experts in domains such as missile defense, space, and maritime systems to understand the operational significance of your reverse engineering discoveries.

Today

AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

It requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

3 days ago

Cyber Transformation Liaison Leidos

Odenton, MD

$107,900–$195,050 / year

The selected candidate will provide support for Defensive Cyber Operations (DCO) activities and will be expected to actively engage with a variety of customers, partner with them, anticipate their needs, and deliver innovating solutions to challenging defensive cybersecurity issues. September 23, 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.

30+ days ago

Senior Cyber Operations Planner Leidos

Odenton, MD

$107,900–$195,050 / year

4 or more years recent (since 2014) work experience as CO Planner; can waive two years of experience requirement for every year spent on a Combat Mission Team (CMT) in any work role; can waive two years work experience requirement for every year spent in an Offensive Cyberspace Operations planner role within a Joint Force Headquarters – Cyber (JFHQ-C) command; OR four years recent (since 2013) work experience in offensive cyberspace capabilities development; can waive two years of experience requirement for every year spent on a CMT in any work role. The Intelligence Sector seeks highly qualified and trained Cyberspace Operational Planners to support Department of Defense Joint Planning processes that underpin United States Cyber Command (USCYBERCOM) operations.

9 days ago

System Security Engineer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Possess a Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Cybersecurity, Computer Information Systems Security or related field. Possess a Masters or PhD in Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Cybersecurity, Computer Information Systems Security or related field.

4 days ago

Senior Security Architect Leidos

Bethesda, MD

$131,300–$237,350 / year

Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 12 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space. Design, engineer, and implement enterprise network security architecture spanning next-generation firewalls, intrusion detection and prevention, web and TLS proxies, VPN and encryption services, network access control, DNS security, and east-west security controls.

6 days ago

Cyber Defense Analyst – 12 Hour Weekend Shifts Leidos

Suitland, MD

$87,100–$157,450 / year

Must possess one of the following active certifications: CompTIA Security+, CompTIA CySA+, CompTIA PenTest+, CompTIA Cloud+, CEH, FITSP O, GIAC GMON, GIAC GRID, GIAC GCIA, GIAC GCIH, GIAC GICSP, GIAC GCED, GIAC GDSA, GIAC GSEC, CFR, or Cisco CyberOps. In this role, you will serve on the front line of cyber defense, helping protect critical TS/SCI networks by monitoring and investigating cybersecurity alerts, identifying potential threats, and supporting proactive threat hunting activities.

16 days ago

Established Cyber Engineer - Capabilities Development Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Have experience in the development of related documents that define processes, solutions, requirements, and specifications for government agencies (military, federal departments/agencies, state, and local) and public organizations to collaborate and achieve greater cybersecurity. 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.

1 day ago

Cyber Fusion and Threats Analyst Leidos

Odenton, MD

$107,900–$195,050 / year

Synthesize, summarize, consolidate and share potentially malicious activities on the DoDIN with DISA and mission partner organizations by creating incident reports, wiki updates, collaboration/chat tippers and notifications, DoD incident handling database queries, metrics, and trend reports. The Leidos Digital Sector has a current job opportunity for a Cyber Fusion and Threats Analyst on our GSM-O II DISA Command Comprehensive Support Services (DCCSS) program supporting the 24x7 operations at the DISA Joint Operations Center (D2OC) on Ft. Meade, MD.

5 days ago

Cyber Operations Planner Leidos

Odenton, MD

$73,450–$132,775 / year

23 days ago

Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) Leidos

Suitland, MD

$107,900–$195,050 / year

Extensive experience with Intelligence Community (IC), Department of Defense (DoD), Defense Information Systems Agency (DISA), NAVINTEL Cybersecurity, Fleet Cyber Command (FLTCYBERCOM), and DoDIIS processes, tools, systems, reporting mechanisms, and requirements supporting Assessment and Authorization (A&A). In this engineering-focused role, you will actively secure, administer, harden, and maintain critical systems and infrastructure while collaborating across network, systems, cybersecurity, and architecture teams to continuously strengthen and evolve the organization’s overall security posture.

2 days ago

Azure Cloud Security Engineeer Leidos

Adelphi, MD

$107,900–$195,050 / year

Leidos is seeking an Azure Cloud Security Engineer to design, secure, automate, and sustain Azure Government cloud services supporting the U.S. Army C5ISR Cyber Security Service Provider (CSSP). You'll work with cloud engineers, cybersecurity professionals, and mission partners to integrate security capabilities, automate infrastructure, troubleshoot complex issues, and protect critical defense networks.

2 days ago

Cloud Security Administrator Leidos

Adelphi, MD

$107,900–$195,050 / year

Working knowledge of AWS security services, including IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, Systems Manager, KMS, and VPC security controls. In this role, you'll help secure and sustain AWS cloud environments by managing security controls, identifying vulnerabilities, coordinating remediation, and supporting continuous compliance monitoring.

2 days ago

Information System Security Officer Leidos

Springfield, VA

$107,900–$195,050 / year

The Digital Sector at Leidos currently has an opening for an Information System Security Officer (MID) supporting the Homeland Enterprise Information Technology Secure Services and Support (HEITS) Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP). The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland.

30+ days ago

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Cyber Security Jobs in Beltsville, MD

Cyber Security Manager Leidos

Cyber Security Watch Officer - Evenings Leidos

Cyber Systems Engineer/Analyst Johns Hopkins Applied Physics Laboratory (APL)

Cyber Mission Engineer Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)

Combat Systems Cyber Engineer - Submarine Warfare Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer / Cyber Capabilities Engineer Johns Hopkins Applied Physics Laboratory (APL)

AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)

Cyber Transformation Liaison Leidos

Senior Cyber Operations Planner Leidos

System Security Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior Security Architect Leidos

Cyber Defense Analyst – 12 Hour Weekend Shifts Leidos

Established Cyber Engineer - Capabilities Development Johns Hopkins Applied Physics Laboratory (APL)

Cyber Fusion and Threats Analyst Leidos

Cyber Operations Planner Leidos

Information Assurance Security Engineer (IASE) / Information Systems Security Engineer (ISSE) Leidos

Azure Cloud Security Engineeer Leidos

Cloud Security Administrator Leidos

Information System Security Officer Leidos

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