5,318 Results for

Cyber Security Jobs in Oxon Hill, MD

Jobs

Cyber Security Analyst - Sr. Consultant level Visa

Ashburn, VA

$152,200–$243,700 / year

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. If you would like to join a company where security is truly valued, where you can work with like-minded peers who are passionate about the art & science of cyber defense, and where you can use state of the art tools for maximum impact, then we have a home for you.

9 days ago

Information Security Analyst Calibre Systems

Washington, DC

$89,000–$110,000 / year

The analyst will help maintain compliance with DoD, DISA, U.S. Cyber Command, MC&FP, NIST RMF, Zero Trust, STIG/SRG, ACAS, and eMASS requirements while supporting the attainment and sustainment of Government-issued Authorizations to Operate (ATOs). CALIBRE is an employee-owned mission focused solutions and digital transformation company, is looking for a highly qualified Journeyman Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families.

8 days ago

Information Security Manager Base One Technology

Arlington, VA

$100,000–$130,000 / year
Contractor
Quick Apply

Supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services.

30+ days ago

Cyber Network Threat Analyst MANTECH

Springfield, VA

Detecting anomalous network activity through data analysis, evaluating intrusion detection systems, incident tickets, event and log analysis, and security change tracking. The Counterintelligence Threat Technical Analyst will leverage their strong technical background and knowledge to support the Sponsor’s mission by providing expert threat analysis and cyber defense support.

Today

Senior AI Software Engineer Credence

McLean, VA

Quick Apply

You will collaborate with cross-functional engineering, data, cloud, and stakeholder teams to deliver scalable, secure, and mission-focused AI capabilities for federal clients, while helping guide technical direction, strengthen engineering practices, and mentor other engineers. Experience designing or implementing agentic AI solutions using frameworks or platforms such as Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, or LangGraph.

3 days ago

Programmer IV Calibre Systems

Alexandria, VA

CALIBRE Systems, inc., an employee-owned, mission focused solutions and digital transformation company is seeking a Full Stack Software Developer to develop, create, maintain, and write/code new (or modifies existing) computer applications, software, or specialized utility programs. Prefer an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field.

Today

Software Developer Calibre Systems

Alexandria, VA

Today

Senior Cloud Systems Administrator Credence

McLean, VA

$145,000–$160,000 / year
Quick Apply

This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. Credence has an immediate openiing for a highly skilled Senior Cloud Systems Administrator to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract.

10 days ago

Senior Software Engineer Credence

Tysons, VA

Quick Apply

This role focuses on application development, software architecture, cloud-native technologies, AI-enabled automation, systems integration, and advanced analytical capabilities that improve mission readiness, logistics, sustainment, and supply chain operations. The successful candidate will build scalable software applications, APIs, enterprise services, automation tools, and AI-enabled capabilities that transform complex operational and logistics information into mission-focused software solutions.

7 days ago

Lead Flight Test Engineer L3Harris Technologies

Ashburn, VA

$122,000–$227,000 / year

Lead or support complex test operations by coordinating with flight operations, ground support crews, air traffic control, range personnel, and other external stakeholders as required to maintain safe execution, strong team communication, and day-to-day technical alignment. L3Harris Agile Development Group (ADG) is seeking a Flight Test Engineer to join the Flight Test and Evaluation team in support of developmental and operational test activities for unmanned aircraft and missile systems.

24 days ago

Senior Google AI Engineer Credence

McLean, VA

Remote

Quick Apply

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.

10 days ago

Senior Staff Software Engineer (Sr. Consultant) - GenAI Enablement Visa

Ashburn, VA

$154,900–$248,200 / year

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms.

9 days ago

Site Reliability Engineer - Lead Credence

McLean, VA

$160,000–$180,000 / year
Quick Apply

Credence has an immediate opening for a Site Reliability SME who has hands-on experience working as a Cloud Operations Engineer with experience in IT operations to join our expanding Cloud Managed Services Provider team. Must have the capability to collaborate with key stakeholders like the Operations Manager/TOPM, technical leads, and environmental engineers to prioritize, track, and complete initiatives.

9 days ago

SOC analyst csznet

Washington, DC

Contractor
Quick Apply

The SOC Analyst - Tier 3 is cybersecurity technical resource responsible for providing technical analytical oversight a team of SOC Analysts to monitor, detect, analyze, remediate, and report on cybersecurity events and incidents impacting the technology infrastructure of the Government of the District of Columbia. Utilize advanced technical background and experience in information technology and incident response handling to scrutinize and provide corrective analysis to escalated cybersecurity events from Tier 2 analysts—distinguishing these events from benign activities, and escalating confirmed incidents to the Incident Response Lead.

3 days ago

Systems Engineer MAXISIQ, Inc.

Quantico, VA

Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value to communities and the critical missions they support. Providing enterprise virtualized environment support by providing high-end engineering; support Windows, and Linux workstations and Server-based services; and deployment and maintenance of systems supporting our customers.

3 days ago

Sr. Software Engineer - CTJ - Poly Microsoft

Reston, VA

$119,800–$234,700 / year

Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.

13 days ago

Sr. Cybersecurity Analyst Visa

Ashburn, VA

$131,600–$210,300 / year

9 days ago

Associate Cybersecurity Analyst - Junior (Local Candidates) Visa

Ashburn, VA

$84,500–$131,400 / year

2 days ago

Sr. Manager, Cybersecurity Advisory Visa

Ashburn, VA

$138,300–$221,600 / year

Demonstrated depth in cybersecurity risk management and experience across multiple domains, such as security architecture, cloud or application security, identity and access management, vulnerability management, data protection, incident response, threat intelligence, or cyber resilience. Within VCA’s North America Risk Practice, Cybersecurity Advisory helps clients assess, prioritize, and manage cybersecurity and cyber-enabled risk through advisory and managed services.

9 days ago

Senior Software Engineer MANTECH

Annapolis Junction, MD

Experience and knowledge of operating software programs, configuring hardware devices and developing critical procedural steps, Strong knowledge in a Linux environment developing and managing code requiring hands on experience with Linux internals along with Python (interpreted language) and C (compiled language). Responsible for designing, engineering, analyzing, and developing software systems; work directly with penetration testers to perform penetration tests and assess potential security problems.

1 day ago

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Cyber Security Jobs in Oxon Hill, MD

Cyber Security Analyst - Sr. Consultant level Visa

Information Security Analyst Calibre Systems

Information Security Manager Base One Technology

Cyber Network Threat Analyst MANTECH

Senior AI Software Engineer Credence

Programmer IV Calibre Systems

Software Developer Calibre Systems

Senior Cloud Systems Administrator Credence

Senior Software Engineer Credence

Lead Flight Test Engineer L3Harris Technologies

Senior Google AI Engineer Credence

Senior Staff Software Engineer (Sr. Consultant) - GenAI Enablement Visa

Site Reliability Engineer - Lead Credence

SOC analyst csznet

Systems Engineer MAXISIQ, Inc.

Sr. Software Engineer - CTJ - Poly Microsoft

Sr. Cybersecurity Analyst Visa

Associate Cybersecurity Analyst - Junior (Local Candidates) Visa

Sr. Manager, Cybersecurity Advisory Visa

Senior Software Engineer MANTECH

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