SDLC Jobs in Reston, VA

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Senior Mainframe Engineer

ALTA IT Services

•

Reston, Virginia, USA

Full-time

Job Title: Senior Mainframe Engineer Location: Reston, VA Type: Contract - 6 + months - strong likelihood of extension and/or perm conversion Contractor Work Model: Mostly REMOTE but onsite for client meetings approximately 1X monthly We are seeking a highly experienced, self-driven, and technically versatile Senior Mainframe Engineer to support and evolve our client's enterprise systems. This role requires an individual with strong initiative, a passion for technology, and the ability to take o
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Posted 6 hours ago

ETL Java Developer SME

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a ETL Java Developer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting
Posted 60+ days ago | Updated 10 hours ago

Enterprise Architect - DevOps

Robert Half

•

Washington, District of Columbia, USA

Contract

Description We are looking for a skilled Software Developer to join our team in Washington, District of Columbia, on a long-term contract basis. In this role, you will contribute to the design, development, and optimization of IT systems and enterprise platforms that support critical business processes. This position offers the opportunity to lead projects, collaborate with stakeholders, and ensure the security and efficiency of technical infrastructure. Location: Washington, DC (On-site, 5 day
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Posted 6 days ago | Updated 6 hours ago

Platform/Infrastructure Engineer

Nightwing

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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 22 days ago | Updated 10 hours ago

ServiceNow Architect

Navigant Consulting

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McLean, Virginia, USA

Full-time

Job Family: Digital Consulting Travel Required: Up to 10% Clearance Required: Ability to Obtain Secret What You Will Do: Translate complex business requirements into technical designs and solutions using ServiceNow.Lead the overall architecture design and development of ServiceNow implementations, ensuring alignment with business objectives and best practices.Establish and enforce architectural standards, best practices, and governance for ServiceNow development.Provide technical expertise an
Posted 36 days ago | Updated 10 hours ago

Automation Engineer with IPv6 Experience

Secunetics

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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 help assess the performance of IT infrastructures, establish baselines, and identify opportunities for optimization and improvement. We are a focused team of enthusiastic colleagues working together on a variety of challenging projects. . We are looking for an Automation Engineer with IPv6 Experience to interface with our team and our clients. This is a high
Posted 60+ days ago | Updated 2 days ago

ServiceNow Developer

SAIC

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Adelphi, Maryland, USA

Full-time

Job ID: 2507352 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven ServiceNow Developer to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterprise IT servi
Posted 12 days ago | Updated 7 hours ago

Java Web Applications Developer

Halvik

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Greenbelt, Maryland, USA

Full-time

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting Edge Technology across the US Government. Be a part of something special! Position: Java Web Applications Developer SUMMARY: NASA SEWP is seeking a Java Web Applications Developer
Posted 11 days ago

Data Solutions Architect

LinTech Global Inc.

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Arlington, Virginia, USA

Full-time

Data Solutions Architect/AI Architect LinTech Global Inc. is recruiting for Data Solutions Architect to support our USPSOIG contract at the Arlington, Virginia. Location: DC area with 1 Day a Week onsite in Arlington, Virginia, 20 hours per week. Functions as the primary technical architect for data warehousing projects to solve business intelligence challenges Possesses deep technical expertise in database design, ETL (OWB/ODI), reporting, and analytics Previous consulting experience utilizin
Posted 46 days ago | Updated 6 hours ago

Cyber Security Engineer

Leidos

•

Springfield, Virginia, USA

Full-time

We are seeking a Cyber Security Engineer who is responsible for developing and implementing advanced security solutions to defend critical systems, networks, and data against evolving cyber threats. This role combines technical expertise in both software and hardware to support the design and deployment of defensive cyber measures. The engineer conducts research on current and emerging cyber threats, identifies vulnerabilities, and ensures that development environments and operational systems re
Posted 54 days ago | Updated 10 hours ago

Software Engineer

Leidos

•

Gaithersburg, Maryland, USA

Full-time

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
Posted 60+ days ago | Updated 9 hours ago

Full Stack Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 60+ days ago | Updated 10 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 32 days ago | Updated 10 hours ago

SAP Software Engineer

Leidos

•

Springfield, Virginia, USA

Full-time

We are seeking an SAP Software Engineer who is responsible for the design, development, configuration, integration, and support of complex SAP systems and custom solutions. This role involves working closely with cross-functional teams to deliver high-quality SAP applications that meet evolving business and mission-critical requirements. The engineer also provides Tier 3-level support for escalated technical issues, ensuring optimal system performance and reliability. Primary Responsibilities:
Posted 53 days ago | Updated 9 hours ago

Senior Cybersecurity Systems Engineer

Modern Technology Solutions

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Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Cybersecurity Systems Engineer SME to join our team. You will provide security engineering, assessment, and weapon systems security oversight activities that support complex weapon systems. 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 co
Posted 60+ days ago | Updated 19 days ago

Senior Application Security Engineer

Software Guidance & Assistance

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Rockville, Maryland, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Application Security Architect for a Contract assignment with one of our premier Regulatory clients in Rockville, MD. This role is hybrid (2 days/week Oniste). The Senior Application Security Architect is responsible for designing, implementing, and overseeing enterprise-wide application security architecture and standards. This role focuses on establishing security frameworks, conducting architecture reviews, developing
Posted 10 days ago | Updated 7 hours ago

Software Engineer in Test - Homes.com

Costar Group

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Arlington, Virginia, USA

Full-time

Software Engineer in Test - Homes.com Job Description Software Engineer in Test CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the wo
Posted 60+ days ago | Updated 9 hours ago

Cybersecurity Architect

LMI Government Consulting (Logistics Management In

•

Tysons, Virginia, USA

Full-time

Overview LMI is seeking a Cybersecurity Architect to support LMI's leading-edge, technology-enabled mission. In this fast-paced and matrixed environment, this position will develop cybersecurity requirements and solutions to ensure LMI's technology meets all our risk and compliance requirements and will communicate our posture to stakeholders and customers. This position will report to LMI's Chief Information Security Officer (CISO) and support various initiatives across LMI's environment. The
Posted 60+ days ago | Updated 6 hours ago

Senior ServiceNow Developer

Judge Group, Inc.

•

Warrenton, Virginia, USA

Contract

Location: Warrenton, VA Salary: TBD Description: ROLE: Senior ServiceNow Developer Location: Warrenton, VA Contract: Yes; 40 hours per week Contact: Brian Merin; ; PURPOSE: To architect, develop, implement, integrate, manage, and administer ServiceNow solutions for large enterprise customers in the role of a Senior Developer. REQUIRED QUALIFICATIONS: TS/SCI Clearance5+ years of experience with software design and development Ability to successfully obtain and maintain a Public Trust clear
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer - Secret Clearance Preferred - Onsite

General Dynamics

•

Oakton, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Application Development, Software Development, Software Development Life Cycle (SDLC) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Senior Software Engineer to join our team. ship required. GDIT will spo
Posted 60+ days ago | Updated 9 hours ago