SDLC Jobs in Washington

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221 - 240 of 684 Jobs

Network Firewall Engineer

Secunetics

•

Washington, District of Columbia, USA

Full-time

Secunetics provides network infrastructure intelligence services to government agencies and commercial clients. We work with our clients to fully profile network structures, behaviors, and security. We are a focused team of enthusiastic colleagues working together on a diverse and challenging set of projects. We are looking for Network Engineers to interface with our team and our clients to help assess the performance of IT infrastructures, establish baselines, and identify opportunities for opt
Posted 60+ days ago | Updated 12 hours ago

Data Scientist

Cornerstone Defense

•

Reston, Virginia, USA

Full-time

Location: Reston, Virginia Type: Contract Job #3669 Title: Data Scientist Location: Reston, Virginia *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone's Intelligence Sector provides solutions to the United States Government for info
Posted 37 days ago | Updated 5 hours ago

Information Systems Security Engineer (ISSE)

Elite Technical

•

Fairfax, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE)The Information Systems Security Engineer (ISSE) will directly support the Secretary of the Air Force (SAF) / Office of Competition (OC) Mission Partner Capabilities Office (MPCO) also known as SAF/CDMX Directorate. The Mission Partner Capabilities Office provides design, configuration, accreditation and implementation of mission and R&D information management systems and cloud-based solutions that support defense and intelligence priorities as well as
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Posted 32 days ago | Updated 3 days ago

SAST Application Security Testing Engineer

Next Level Business Services, Inc.

•

Remote

Contract

Role :- SAST Remediation Engineer Term :- W2 Contract Rate : 65W2 Per hour max Location :- Remote Detailed Job Description:- MUST HAVE: SAST, CheckMarx/Nexus, code review, CI/CD Pipelines A SAST Remediation Engineer in application security is responsible for identifying, analyzing, and fixing security vulnerabilities detected by Static Application Security Testing (SAST) tools within the software development lifecycle. Their key duties include: Collaborating with development teams to integrate S
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Posted 1 day ago

Sr. Software Engineer TS/SCI Polygraph

Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabili
Posted 41 days ago | Updated 4 hours ago

Java Software Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Java Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Java Software Engineer to join our team and contribute to the design, development, and maintenance of high-quality software solutions. In this role, you will work on building reliable, scalable, and secure applications using Java, collaborating with cross-functional teams to deliver innovative solutions that m
Posted 60+ days ago | Updated 4 hours ago

.NET REACT AZURE -REMOTE

Neo Prism Solutions, LLC

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Remote

Full-time

Job Title: Full stack .Net Developer Location : Remote Job Type: Contract Interview : 2 Rounds-remote SKILLS/EXPERIENCE REQUIREMENTS 12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RES
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Posted 10 days ago | Updated 4 days ago

.Net Developer

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .Net Backend Developer Location : Dallas, TX (Remote) SKILLS/EXPERIENCE REQUIREMENTS12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns
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Posted 4 days ago

Software Release Analyst

SAIC

•

Reston, Virginia, USA

Full-time

Job ID: 2500899 Location: RESTON, VA, US Date Posted: 2025-07-22 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the
Posted 60+ days ago | Updated 2 hours ago

Junior Modeling and Simulation Engineer

Modern Technology Solutions

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Alexandria, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Junior Modeling and Simulation Engineer - Analyst to join our team. This position can be located in Alexandria, VA., Huntsville, AL., Colorado Springs, CO., or Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge
Posted 60+ days ago | Updated 24 days ago

Full Stack Developer, Team Lead

Leidos

•

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development. In this role the candidate will support the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems
Posted 41 days ago | Updated 4 hours ago

Configuration Management Engineer

Eliassen Group

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Washington, District of Columbia, USA

Contract

Description: The ideal candidate must be proficient with IBM Rational Suite of Tools, specifically (ClearQuest - ClearCase) and building/deploying software & application builds. The candidate must be able to manage multiple assignments simultaneously while working independently with Program Team members. The ideal candidate must possess and demonstrate a clear understanding of the Software Development Lifecycle necessary to perform configuration management (CM). The ideal candidate must have th
Posted 60+ days ago | Updated 4 hours ago

Signals Software Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Signals Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and innovative **Signals Software Engineer** to join our team and contribute to the development of advanced software solutions for signal processing and analysis. In this role, you will design, implement, and optimize algorithms and applications to process complex signal data. You will collaborate with cross-functional t
Posted 60+ days ago | Updated 4 hours ago

Platform/Infrastructure Engineer

Nightwing

•

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 27 days ago | Updated 4 hours ago

Business Analyst

US AI

•

North Bethesda, Maryland, USA

Full-time

WHO WE ARE US AI stands as a forward-thinking digital transformation enterprise, dedicated to enabling individuals to achieve remarkable feats through cutting-edge technology. As an industry leader in AI and Cybersecurity, we are actively seeking top-tier talent to spearhead the commercialization of groundbreaking products and propel our business to new heights. If you're passionate about pushing the boundaries of what's possible in the digital realm, then this is the place for you. Come work wi
Posted 60+ days ago | Updated 23 days ago

Tagetik Technical Support

OnwardPath Technology Solutions LLC

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Remote

Contract

Finance/Accounting Degree preferred, and/or at least 10 years in accounting (focus in Financial Closing and Consolidation required; exposure to Foreign Currency is preferred)Deep understanding of the Tagetik architecture and modules (Financial Close, Budgeting & Planning, IFRS/GAAP Consolidation, Financial Reporting).Experience in configuring and customizing Tagetik solutionsExperience with SDLC (System Design Life Cycle) and deployment in Tagetik projects
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Posted 18 days ago | Updated 1 day ago

Signals Software Engineer with C Development

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Signals Software Engineer with C Development LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and innovative **Signals Software Engineer with C Development** expertise to join our team and contribute to the design and implementation of advanced signal processing solutions. In this role, you will develop efficient and reliable software using C to process and analyze complex signals in real-time a
Posted 60+ days ago | Updated 4 hours ago

DevSecOps Engineer, Signals Intelligence (Experienced or Senior)

Boeing Company

•

Fairfax, Virginia, USA

Full-time

DevSecOps Engineer, Signals Intelligence (Experienced or Senior) Company: Argon ST The Boeing Company is currently seeking a DevSecOps Engineer to join the Argon ST group located in Fairfax, VA. This position will focus on supporting the Boeing Defense, Space & Security (BDS) business organization. The successful candidate will be experienced in building and architecting automated container builds utilizing Docker, Podman, or Kubernetes. Our teams are currently hiring for a broad range of exp
Posted 2 days ago | Updated 4 hours ago

Mobile Application Developer

Leidos

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Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures. In this hands-on position, you will work collabora
Posted 60+ days ago | Updated 4 hours ago

Solutions Architect - .Net, C#, AWS

Perficient

•

Fairfax, Virginia, USA

Full-time

We currently have a career opportunity for a Solutions Architect to join our team. This role is REMOTE. Job Overview: As a Solutions Architect, you will play a pivotal role in designing and implementing enterprise-grade digital process automation solutions using the Camunda platform. This role focuses on leveraging BPMN, DMN, and process orchestration capabilities to streamline and optimize business workflows across diverse industries. You will be responsible for guiding development teams in
Posted 60+ days ago | Updated moments ago