UNKNOWN

FEED

Deep expertise in several areas such as endpoint security, vulnerability management, privileged access management, cloud security, Microsoft 365 security, SIEM/logging, encryption, email security, network security, or threat management. Provide technical ownership for capabilities such as endpoint protection, vulnerability management, privileged access management, cloud and Microsoft 365 security, log management, encryption, secure email, and network security.

YEAR

NVR, Inc.

Lead Security Engineer

ea_via_bold

Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university Four (4) additional years of directly related Software Engineering experience may be substituted in lieu of the degree requirement. This role requires experience developing secure, scalable software solutions while integrating advanced software security techniques to strengthen application resilience and mitigate cybersecurity risks.

Momentum Engineering

ME00621-Software Engineer 1

The successful candidate will perform all phases of the software development lifecycle, including requirements analysis, software design, development, installation, integration, evaluation, enhancement, maintenance, testing, and troubleshooting. This role requires the ability to work independently while providing technical guidance to junior engineers and developing cloud solutions that balance performance, scalability, resilience, security, and cost.

ME00612-Cloud Software Engineer 3

Richmond, VA: $179,400 - $204,700 for Front-end Engineer 4. McLean, VA: $197,300 - $225,100 for Front-end Engineer 4. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Demonstrated experience designing and developing client Backend-for-Frontends (BFFs) to orchestrate data using technologies like GraphQL and efficient networking protocols (e.g., gRPC/Protobuf).

Capital One Financial Corp

Front-End Engineer 4 (JavaScript, TypeScript, Angular)

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.

Blue Origin

Avionics Hardware Engineer III – Lunar Permanence

FULL_TIME

As the Tier 3 technical escalation lead, you’ll collaborate with Operations & Maintenance teams to investigate challenging infrastructure issues, uncover root causes, and create automated remediation that prevents recurrence and strengthens long-term reliability. At GIGATEC, you’ll deliver fast, reliable, and secure software deployments across high-performance computing environments, orchestrating complex configuration changes and software updates while maintaining security, compliance, and performance throughout the delivery lifecycle.

GIGATEC Engineering

HPC DevOps & Software Integration Engineer

partner JazzHR

Responsibilities: Peraton Labs is seeking a poly cleared Linux Systems Engineer to help design, implement, and sustain secure, mission-focused research infrastructure supporting a Maryland-based research program. This role is hands-on and operations-oriented, with primary responsibilities in Linux system administration and delivery of IT/telecommunications systems in both classified and unclassified environments.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Linux Systems Engineer

[AW]-iCims

This position offers the opportunity to design, build, and optimize ServiceNow solutions across the CMDB, ITSM, Service Catalog, and custom applications, and to work directly with stakeholders to translate business needs into scalable technical solutions. Implement the CMDB, including CI class and data model design aligned to the Common Service Data Model (CSDM), Discovery configuration, and identification and reconciliation rules.

LIGHTFEATHER IO LLC

Senior ServiceNow CMDB Engineer

GreenHouseAPI

Discovery & Assessment: Partner with LOBs to map existing business processes, capture requirements, and identify friction points where AI/Automation can significantly reduce manual effort. Informal POCs: Conduct rapid technical validation by building functional prototypes in a sandbox environment (utilizing AWS OpenSearch, RAG patterns, and LLM orchestration).

The Dignify Solutions, LLC

AI Solution Engineer

jobdiva

Overview: Integral Federal is seeking a Test Lead to lead JPES/JCRM software verification and validation across sprint testing, regression, integration, CIT, GAT, and operational-user validation. Since our founding in 1998, we have helped clients leverage existing and emerging technologies to transform their enterprises, empower growth, drive innovation, and build sustainable success.

Integral

Lead Test Engineer

September 17, 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. Leidos is seeking a Systems Engineer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Systems Engineer Expert

The Coverage Tools team bridges field operations with software engineering, ensuring that our radio frequency tools, diagnostic applications, and LMR platforms deliver seamless situational clarity to emergency responders and mission-critical teams nationwide. In this role, you will diagnose software anomalies occurring during field coverage testing, oversee support channels, and guide new software releases through validation testing and documentation updates.

Motorola Solutions Inc

Sr RDE Engineer

Build reusable calculation libraries data models validation rules configuration services and version controlled datasets using Python FastAPI Pydantic SQL and PostgreSQL or approved equivalent technologies. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world.

Cognizant is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant, a member of the NASDAQ-100, is ranked 230 on the Fortune 500 and is consistently listed among the most admired companies in the world. We're driven by a passion to help our clients build stronger, more agile and more innovative businesses. Cognizant enables global enterprises to address a dual mandate: to make their current operations as efficient and cost-effective as possible and to invest in innovation to unleash new potential across their organizations. What makes Cognizant unique is our ability to help clients meet both challenges. We help them enhance productivity by ensuring that vital business functions work faster, cheaper and better. And, our ability to conceptualize, architect and implement new and expanded capabilities allows clients to transform legacy models to take their business to the next level.

Cognizant Technology Solutions Corp

Senior Python Engineer

The pay range for the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia is: $83,600—$196,000 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia .

Accenture Federal Services

Backend Application Engineer

Description: Markon is seeking a Software Engineer to support the Fort Meade customer by leading the architecture, design, and modernization of secure software solutions that enable advanced cyber analytics and mission-critical intelligence operations. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Markon

Software Engineer Level 3

Fluids Engineer III, New Glenn Stage 2

Proficient in designing, developing, testing, debugging, and maintaining scalable and reliable software systems using languages such as Java, Python, C++, or C#.Ability to analyze complex technical requirements, troubleshoot system issues, and develop effective solutions while balancing performance, security, scalability, and maintainability. Baseline IAT Level IMinimum ClearanceSecretPhysical RequirementsRequired to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms.

Software Systems Engineer

Talent Acquisition

Working knowledge of DataOps practices and tooling - including Git-based workflows, CI/CD (e.g., GitHub Actions, GitLab CI, AWS CodePipeline), Infrastructure-as-Code (Terraform or CloudFormation), automated data testing, and pipeline observability - is highly preferred. Working knowledge of modern data platform technologies - such as cloud data warehouses/lakehouses (Snowflake, Databricks, BigQuery), streaming (Kafka, Kinesis), and data catalog/governance tools - used to enable a data mesh is highly preferred.

Meso Scale Diagnostics LLC

Senior Data Engineer

Experience with Microsoft Windows 2016/2019/2022/2025 Servers; Microsoft Windows 10; ad ministering Microsoft Exchange, Active Directory, and workstation and server hardware; administering Microsoft Office 2010/2016; administering DNS, Group Policy, and PKI; administering vSphere or Horizon View, data backup, and antivirus software; basic networking including DHCP/TCPIP; experience with deploying workstation images; and experience with thin and/or zero clients. Responsibilities include but are not limited to: Providing Tier III IT Systems support on a wide range of technologies, including: Microsoft Server; Microsoft Server based Applications such as Exchange, SQL, IIS, Certificate Services, DHCP, DNS, Active Directory, Group Policies; Microsoft Windows Desktop Operating Systems; Secure Printing technologies; VMware vCenter; and Horizon View.

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

ManTech International Corp

Lead Systems Engineer

The role focuses on analyzing business and technical requirements, designing comprehensive test strategies and test cases, performing functional, API, and data validation testing, and ensuring high-quality software delivery. Analyze business and technical requirements to design comprehensive test strategies, develop detailed test scenarios and test cases, and ensure complete test coverage for new features, enhancements, and defect fixes.

Release Engineer Jobs in Mclean, VA

Lead Security Engineer NVR, Inc.

ME00621-Software Engineer 1 Momentum Engineering

ME00612-Cloud Software Engineer 3 Momentum Engineering

Front-End Engineer 4 (JavaScript, TypeScript, Angular) Capital One Financial Corp

Avionics Hardware Engineer III – Lunar Permanence Blue Origin

HPC DevOps & Software Integration Engineer GIGATEC Engineering

Linux Systems Engineer Peraton

Senior ServiceNow CMDB Engineer LIGHTFEATHER IO LLC

AI Solution Engineer The Dignify Solutions, LLC

Lead Test Engineer Integral

Systems Engineer Expert Leidos

Sr RDE Engineer Motorola Solutions Inc

Senior Python Engineer Cognizant Technology Solutions Corp

Backend Application Engineer Accenture Federal Services

Software Engineer Level 3 Markon

Fluids Engineer III, New Glenn Stage 2 Blue Origin

Software Systems Engineer ESM

Senior Data Engineer Meso Scale Diagnostics LLC

Lead Systems Engineer ManTech International Corp

Senior Quality Assurance Engineer Assurety Consulting

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