14,165 Results for

Security Engineer Jobs in Greenbelt, MD

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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.

3 days ago

Sr Cloud Security Engineer PlanIT Group

Falls Church, VA

Quick Apply

Experience: 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.

10 days ago

Security Engineer System One

Laurel, MD

Quick Apply

Hands-on experience with UiPath architecture: Orchestrator, attended/unattended robots, assets and credential stores, queues, and robot host builds. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

10 days ago

Zero Trust Security Engineer System One

Vienna, VA

$75 / hour
Quick Apply

Submit detailed implementation requests to firewall teams, including: source identities (users, groups, roles), destination applications, addresses, and services, required ports, protocols, and application IDs. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

10 days ago

SPOC Engineer Inmarsat Government, Inc

Reston, VA

Full time

These activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions.

30+ days ago

NOC Support Engineer Inmarsat Government, Inc

Reston, VA

Full time

Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

30+ days ago

Controls Engineer, Deployment, Data Center Capacity Delivery Amazon Data Services, Inc.

Herndon, VA

AWS Data centers have multiple components such as generators, uninterruptible power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. - Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or an equivalent engineering science plus 5+ years of relevant controls experience, OR 10+ years of relevant controls experience in lieu of a degree.

30+ days ago

Application Security Engineer II Abnormal

Washington DC, DC

$130,100–$187,000 / year

Abnormal AI is looking for an Application Security Engineer II to secure the AI-powered systems at the core of our AWS-based platform (LLM-integrated features, agentic workflows, MCP connectors, and the model supply chain) against threats like prompt injection at production scale. • Lead threat modeling and security architecture reviews with engineering teams by translating security risks into concrete development actions, with particular focus on AI-powered features (LLM integrations, agentic workflows, MCP connectors).

12 days ago

Senior Electrical Engineer United States Bomb Technician Association

Indian Head, MD

$101,670–$169,335 / year
Full time
Quick Apply

The Senior Electrical Engineer will play a critical role in supporting safe and compliant operations by providing expert guidance in electrical engineering, hazard analysis, process safety management, and risk mitigation. The majority of the work will be conducted at Naval Surface Warfare Center Indian Head Division (NSWC IHD) and its detachments, with occasional work required at satellite locations.

12 days ago

System Security Test Engineer (FAA) Jobot

Columbia, MD

$120,000–$180,000 / year
Quick Apply

Experience with FAA or other safety/mission-critical systems, Linux and Windows environments, network-analysis tools such as Wireshark, vulnerability/security testing tools, requirements traceability, Jira or similar defect-management systems, and formal FAT/SAT or customer acceptance testing would be highly desirable. With 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.

3 days ago

Sr. Controls Engineer Amazon Data Services, Inc.

Herndon, VA

AWS Data centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

30+ days ago

Senior Building Automation Controls Engineer Jobot

Fort Belvoir, VA

$100,000–$140,000 / year
Quick Apply

Position Overview We are seeking an experienced Senior Building Automation Controls Engineer to support the design, programming, integration, commissioning, and field implementation of BAS projects across government and military facilities. The position involves extensive travel to project sites throughout the U.S. and requires the ability to independently troubleshoot complex control systems while working closely with project managers, customers, contractors, and field teams.

Today

IT- Cyber Security Architect/ Engineer III PlanIT Group

Falls Church, VA

Quick Apply

Securing AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.

10 days ago

Electrical Engineer - (MEP / Design-Build Consulting Engineers) Jobot

Vienna, VA

$120,000–$170,000 / year
Quick Apply

8-10+ years of experience in design and specification of lighting systems, power systems, fire alarm systems, telecom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. 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.

9 days ago

Mechanical Engineer - (MEP / Design-Build Consulting Engineers) Jobot

Vienna, VA

$100,000–$140,000 / year
Quick Apply

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. 4-6+ years of Mechanical/HVAC Systems Design experience, Perform Calculations, select equipment, and design systems (HVAC Systems, EM&CS Systems, Plumbing Systems, Fire Protection Systems).

4 days ago

FAA Voice System Test Engineer Jobot

Columbia, MD

$120,000–$180,000 / year
Quick Apply

Our team of solution architects, computer engineers, software engineers and business specialists serves civilian federal agencies and commercial clients, with a focus on systems integration and support for large-scale, mission-critical systems. 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.

11 days ago

RCDD Technology Engineer Jobot

Baltimore, MD

$140,000–$190,000 / year
Quick Apply

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. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.

4 days ago

Network Effects Engineer Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD

Design, build, and orchestrate threat-representative network topologies and software-defined comms systems incorporating Anti-Detection and Anti-Censorship concepts to serve as test ranges tailored for unique mission profiles. Develop, evaluate, and qualify an evolving portfolio of network and comms enabled capabilities, determining their real-world operational impact, signature footprint, and clandestine survivability.

4 days ago

IT Security Specialist PlanIT Group

Reston, VA

Quick Apply

Manages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.

10 days 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.

4 days ago

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Security Engineer Jobs in Greenbelt, MD

System Security Engineer Johns Hopkins Applied Physics Laboratory (APL)

Sr Cloud Security Engineer PlanIT Group

Security Engineer System One

Zero Trust Security Engineer System One

SPOC Engineer Inmarsat Government, Inc

NOC Support Engineer Inmarsat Government, Inc

Controls Engineer, Deployment, Data Center Capacity Delivery Amazon Data Services, Inc.

Application Security Engineer II Abnormal

Senior Electrical Engineer United States Bomb Technician Association

System Security Test Engineer (FAA) Jobot

Sr. Controls Engineer Amazon Data Services, Inc.

Senior Building Automation Controls Engineer Jobot

IT- Cyber Security Architect/ Engineer III PlanIT Group

Electrical Engineer - (MEP / Design-Build Consulting Engineers) Jobot

Mechanical Engineer - (MEP / Design-Build Consulting Engineers) Jobot

FAA Voice System Test Engineer Jobot

RCDD Technology Engineer Jobot

Network Effects Engineer Johns Hopkins Applied Physics Laboratory (APL)

IT Security Specialist PlanIT Group

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

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