2,982 Results for

Security Engineer Jobs in Greenbelt, MD

Jobs

New!

Annapolis Junction, MD3 days ago

$154,050–$278,475

The 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.

Washington, DC21 days ago

$75–$80 Per Hour
Full-time
Employee

The Washington Metropolitan Area Transit Authority (WMATA) is seeking resources to build, test, support, and deploy Palo Alto firewalls to support the WMATA partners' Router replacement project. Or minimum of 8 years of demonstratable experience in Palo Alto security solutions or equivalent work experience demonstrating expertise in Palo Alto Firewall configurations and device management.

McLean, VA19 days ago

$70.47–$86.85 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

New!

Columbia, MDToday

$110,000–$165,000 Per Year

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. 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.

New!

Herndon, VA2 days ago

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on.

New!

Herndon, VA2 days ago

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

New!

Arlington, VA2 days ago

The Facility Operations Center (FOC) is a singular support team which proactively monitor the life-safety systems and the infrastructure equipment alarms (e.g., chillers, temperature sensors, generators, UPSs, switchgear, breakers, PDUs, and ATSs) that provides power and cooling to the platform 24x7x365. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

New!

Alexandria, VA2 days ago

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.

New!

Herndon, VAToday

$150,000–$200,000 Per Year

New!

Herndon, VA2 days ago

High technical competency in electrical systems and understanding the design concept and intent by reviewing electrical design documentation, including drawings, specifications, pre-functional checklist, startup and functional test scripts, maintainability, construct-ability and commission-ability. AWS is seeking a High Voltage Commissioning Engineer to become part of a AMER’s Amazon Commissioning (ACx) team, responsible for the commissioning and continuous innovation of the Medium Voltage and High Voltage infrastructure associated with our rapidly expanding data center foot print.

New!

Herndon, VA2 days ago

The AWS AMER Cost Control team is seeking a passionate and motivated construction cost engineer to support a portfolio of Data Center Construction projects in North and South America. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

New!

Reston, VA5 days ago

Provide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, operating systems programming, system security policy procedures, and/or web strategy and operations. Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including, hardware, software, budgetary, and support facilities and/or equipment.

New!

Vienna, VAToday

$120,000–$155,000 Per Year

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.

New!

Springfield, VA1 day ago

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

New!

Herndon, VA2 days ago

The CxE is responsible for supporting vendors, contractors, and other teams involved in the construction and commissioning of various systems including medium and low voltage power systems, Generators, UPS, HVAC, Chilled Water, BMS, and EPMS systems. The responsibilities of the ACx Commissioning Engineer (CxE) include, but are not limited to, oversight and coordination of multi-discipline division of work related to design review and commissioning of Amazon critical infrastructure for new construction and special projects.

New!

Baltimore, MD6 days ago

$40–$50 Per Hour
Full-time
Employee

Job Details:Role: VMWARE Infrastructure EngineerLocation: Baltimore, MD ( On-site with Hybrid)Duration: 12 Months ContractDuties and Responsibilities:Enterprise Virtualization Management. Education and Years of Experience: Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience).

New!

Herndon, VA1 day ago

$92,500–$171,500 Per Year

With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.).

Laurel, MD25 days ago

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. 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.

New!

Herndon, VA1 day ago

$135,000–$250,500 Per Year

In addition to technical contributions, this position supports the day‑to‑day activities of the Software Engineering Group by providing technical guidance, assigning tasks, participating in complex engineering efforts, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. Ability to independently contribute to software requirements development, software testing and integration, and the creation of both application‑level and embedded C/C++ code on Windows-based and Linux‑based systems, including GUI and system‑control development.

Laurel, MD9 days ago

$100,000–$245,000

As a member of our team, you will provide thought leadership and conduct rigorous analysis and engineering to rapidly develop and demonstrate technologies and integrated systems concepts and solutions that can enable effective joint, integrated, theatre level defense across all operational warfighting domains (land, sea, air, space). Have experience and background in some or all of the following: systems architecture, requirements, interface, and algorithm prototyping and performance analysis, active and passive sensors, target tracking and sensor fusion algorithms and design concepts, command and control concepts, distributed communications systems, advanced kill chain analysis, integrated fire control concepts.

Laurel, MD25 days ago

$125,000–$290,000

This individual will be instrumental in strengthening the Branch’s technical excellence, advancing strategic core competencies, and mentoring high-performing staff to develop and deliver innovative, mission-relevant capabilities aligned with AMDS strategic intent. The successful candidate will be a highly respected member of the DOW community with demonstrated technical depth, systems engineering rigor, and the ability to lead complex, high-impact engineering efforts.

New!

Chantilly, VA1 day ago

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Sterling, VA29 days ago

Full-time
Employee

Hands-on experience with AWS managed services (VPC, EC2, EKS, RDS), including monitoring and analytics tools such as AWS CloudWatch, NewRelic. OperationsMaintain, monitor, and help improve the performance and availability of the 24x7 production environment including networks, servers, databases, etc.

McLean, VA9 days ago

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

Chantilly, Virginia7 days ago

Contractor

You will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.

New!

McLean, VA3 days ago

$130,000–$150,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

New!

Arlington, VA6 days ago

Laurel, MD25 days ago

$100,000–$245,000

You'll be joining our hardworking team of system engineers, algorithm developers, FPGA and embedded software engineers, and advanced EW technology enthusiasts who enjoy working together to craft creative solutions to complex challenges. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

Laurel, MD25 days ago

$100,000–$245,000

The 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.

Laurel, MD25 days ago

$100,000–$245,000

A Bachelor's degree (or equivalent experience) in Electrical Engineering, Computer Engineering, Physics, Mathematics or another related field with at least seven years of relevant experience, OR a Master's degree (or higher) in one of the same fields of study with at least three years of relevant experience. 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.

Laurel, MD17 days ago

$105,000–$290,000

The Electro Optical Seeker and Infrared Systems group (A1F) of the Air and Missile Defense Sector (AMDS) is seeking a Senior Embedded Systems & Hardware-in-the-Loop Engineer to lead the architecture and implementation of complete embedded systems, custom electronics hardware, FPGA firmware, real-time embedded software, and sophisticated HWIL test systems. 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.

New!

Gaithersburg, MDToday

$25.37–$27.28

Troubleshoot and perform basic repair on all types of equipment (e.g., pump and motor replacement), plumbing (e.g., plunge toilets and unclog drains), electrical equipment including lamps, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and other guestroom items. Display proficiency in any one of the following categories, above average skills in two more of the following categories and basic skills in the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building management.

New!

Gaithersburg, MDToday

$25.37–$27.28

New!

Gaithersburg, MDToday

$25.37–$27.28

McLean, VA7 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

New!

Baltimore, MDToday

$108,000–$114,800

Ability to assess building envelope (roof, structure, etc.) Familiar with NFPA (fire codes), building codes, NEC (electrical codes), PMs and PM management systems Experience with training teams, capital project forecasting and annual budgets. AmeriCorps, the federal agency that brings people together through service, and its partners — the Peace Corps, AmeriCorps Alums, National Peace Corps Association, and the Service Year Alliance — launched Employers of National Service to connect national service alumni with opportunities in the workforce.

New!

McLean, VAToday

$113,000–$188,000 Per Year

You will work closely with product owners, analysts, and mission stakeholders to translate real-world domains—such as case management, operations, and reporting—into well-governed ontologies composed of entities, relationships, properties, and actions. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

New!

Baltimore, MD3 days ago

$130,000–$156,000 Per Year

Along with security platform mastery in more than one platform area (IDS/IPS, firewall/WAF, access and identity, malware defense, threat modeling, exposure management, among others), the Principal Cybersecurity Engineer is formally trained in enterprise IT design and architecture practices. The Principal Cybersecurity Engineer has a demonstrated mastery in multiple security and non-security technology platforms, with the ability to both lead and advise on the overall designs and strategies of both security and non-security technologies.

New!

McLean, VA3 days ago

Under mentorship from senior AI leaders, you’ll drive model development lifecycles and collaborate across engineering, data, and stakeholder teams to deliver high-impact, cloud-native AI capabilities that advance federal missions. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide.

Hanover, MD7 days ago

The Project Engineer (PE) is responsible for the assistance in the development, execution and maintenance of a fully effective Project as required by our contract with the Client and Subcontractors and as further defined by the Contractor’s Quality Control Plan (CQCP), Health/Safety/Quality program and in accordance with Company’s policies and procedures; and performs additional managerial responsibilities as necessary or assigned. The candidate will be performing all facets of the Bering Straits East Coast model to include quality control management, submittal tracking, daily reporting, communicating deficiencies to the customer, and other various tasks as assigned.

Baltimore, MD30+ days ago

Temporary
Contractor
Full-time

Basic Qualifications for the Principal RF Test and Power Engineer: • Bachelor’s degree in electrical engineering or related STEM field plus 5 or more years of relevant experience; or a master’s degree in electrical engineering or related STEM field plus 3 or more years of relevant experience. Activities will range from hands-on testing and troubleshooting; to analysis of failure trends, root cause/ corrective actions; and attending program meetings to report yields, problems, and corrective actions.

New!

Annapolis Junction, MD1 day ago

As a Washington Post Top Workplace award winner for the past TWELVE years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Dev Technology is seeking a Senior MQ Administrator to lead enterprise messaging initiatives and ensure the reliability, security, and scalability of IBM MQ and Liberty environments supporting mission-critical systems.

Arlington, VA14 days ago

$120,000–$170,000 Per Year

If you have a strong background in Electrical engineering, with a particular focus on power generators, uninterruptible power supplies, life safety/emergency/mission critical power distribution, electric vehicle (EV) infrastructure, and other electrical equipment and system, we want to hear from you. Conduct surveys of existing areas and facilities, conduct design reviews, conduct code compliance inspections, witness code required testing, assist in code development and implementation, and execute small systems designs.

Falls Church, VA13 days ago

Our Site Engineers receive exceptional mentorship, hands-on learning experiences, professional development courses, and personal growth opportunities tailored to you to fast-track your journey to promotion and career success as a member of our Site Operations team. Site Engineers have the flexibility to work on-site full-time or pursue an associate’s degree while working part-time, making this the ideal position for any high school graduate or early-career professional looking for a team and schedule that works with you.

New!

Arlington, VAToday

$113,000–$188,000 Per Year

Demonstrated experience with: Cloud platforms: AWS (S3, Lambda, ECS, SQS), Azure (CosmosDB, Functions); Containerization and orchestration (Docker, Kubernetes); CI/CD tools (Jenkins, Maven, Git, Bitbucket, GitHub); Monitoring and logging tools (Splunk, CloudWatch, Kibana, Elasticsearch). Proficient experience with: Programming languages (Java, Python, SQL, Pyspark); Data pipeline and ETL development; Database technologies (Oracle, MySQL, Postgres, SQL Server, MongoDB); Data modeling, stored procedures, and API development (RESTful, SOAP).

New!

Engleside, VAToday

Essential Functions: Support the set-up, configuration, and documentation of hardware and software systems under test, including loading custom and commercial software onto multiple systems Developing and executing structured training sessions Builds, configures, troubleshoots, and integrates new and existing configuration items (hardware) packages to provide service enhancements, application deployments and infrastructure upgrades Responsible for configuration hardware, mastering the system and training others to successfully use the system. Supports training system operations Ability to take ownership of training classes through completion Long periods of travel is required Qualifications: BS/BA (or equivalent) in Optical, Electrical, Computer Engineering, Computer Science, Information Technology or related field, and minimum 6 years Software or systems experience or Graduate’s degree and 4 years software or systems experience.

McLean, VA7 days ago

New!

McLean, VA2 days ago

New!

Rockville, MDToday

$21.27–$22.88

Test, troubleshoot and perform basic repair on all types of equipment, plumbing (e.g., plunge toilets and unclog drains), electrical components including lamps, cosmetic items, extension cords, vacuum cleaners, internet devices, replace electrical switches and outlets, and other guestroom items. Display basic knowledge or ability to acquire knowledge in the following categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general building.

New!

Rockville, MDToday

$21.27–$22.88

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Security Engineer Jobs in Greenbelt, MD

Lead Security Engineer with TS/SCI Poly Leidos

Network Security Engineer CSZNet, Inc.

Lead Information Security Engineer Genesis10

System Integration & Test Engineer Jobot

Quality Control Engineer, Integrated Project Quality (IPQ) Amazon Data Services, Inc.

Advanced Security System Engineering Specialist, ASSET Amazon Data Services, Inc.

Facility Operations Center Engineer, ADC InfraOps FOC Amazon Data Services, Inc.

Data Center Controls Engineer Amazon Data Services, Inc.

System Resiliency & System Safety Engineer Jobot

HV Substation Commissioning Engineer, Amazon Commissioning Team Amazon Data Services, Inc.

Construction Cost Engineer, AMER Cost Control Amazon Data Services, Inc.

Network Engineer II NuAxis Innovations

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

Senior Specialist, Systems Engineer - User Acceptance Tester L3Harris Technologies

Commissioning Engineer Amazon Data Services, Inc.

VMWARE Infrastructure Engineer Creative Global Consulting, LLC

Specialist, EO/IR Systems Engineer (Top Secret Clearance) L3Harris Technologies

Radar Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)

Lead Software Engineer L3Harris Technologies

Long Range Networked Fires Engineer Johns Hopkins Applied Physics Laboratory (APL)

A4 Non-Kinetic Warfare Branch Chief Engineer Johns Hopkins Applied Physics Laboratory (APL)

Scientist, Software Engineer L3Harris Technologies

DevOps Engineer ADG TECH CONSULTING, LLC

Senior Google AI Engineer Credence

Manufacturing Engineer II (VA) GCR Professional Services

Senior Python Full Stack Engineer Vaco LLC

Senior Flight Controls & GNC Engineer Davron LLC

Signal Processing Engineer Johns Hopkins Applied Physics Laboratory (APL)

Reverse Engineer for RF Systems Johns Hopkins Applied Physics Laboratory (APL)

Wireless Communications Algorithm Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior Embedded Systems & Hardware-in-the-Loop Engineer Johns Hopkins Applied Physics Laboratory (APL)

Hotel Engineer II Marriott International, Inc

Engineer II Marriott International, Inc

Maintenance Engineer II Marriott International, Inc

DevOps Engineer Capgemini Government Solutions LLC

Building Engineer American National Red Cross

Palantir Data Engineer Guidehouse

Principal Cybersecurity Engineer- Architecture OneMain Financial

Mid-Level AI Engineer Credence

Construction Project Engineer BERING STRAITS GLOBAL INNOVATIONS LLC

ENGINEER DIGITAL 3 Aroha Technologies

Senior MQ Engineer (Secret Clearance) Dev Technology Group

Electrical Engineer Chinook Systems

Commercial Construction Site Engineer HITT Contracting

Data Engineer Guidehouse

(DoD SkillBridge), Specialist, Integration & Test Engineer L3Harris Technologies

Sr. ETL/SQL Engineer Capgemini Government Solutions

IAM Engineer/User Data Governance Manager Capgemini Government Solutions

Engineer I Marriott International, Inc

Hotel Engineer I Marriott International, Inc

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