Legacy Systems jobs in Columbia, MD

Arlington, Virginia

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Today

Job ID: 2615221 Location: Arlington, VA, US Date Posted: 2026-08-04 Category: Software Subcategory: DevSecOps Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description At SAIC, we're on a mission to revolutionize national security through cutting-edge technology and innovation. As the leading Joint All Domain Command and Control (JADC2) integrator, we

Full-time

USD 160,001.00 - 200,000.00 per year

Senior Technical Lead

Washington, District of Columbia

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Today

Job Number: R0247360 Technical Lead, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've develop ed so many systems that you can not only orchestrate the best solution for any technology-based challenge, but you can also anticipate and preempt future issues, you're a solutions architect. You've evolved your skills into strategy through a long path of sof tware develop ment accomplishments and the curiosity to understand ho

Full-time

USD 112,800.00 - 257,000.00 per year

Cloud Infrastructure Architect

Maryland

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Today

Residency All applicants must reside in the United States at the time of application. Overview Are you passionate about building cutting edge infrastructure that empowers elite developers? We are looking for a visionary Lead HPC & Infrastructure Architect with an active TS/SCI with Poly clearance to design, build, and implement our next generation High-Performance Computing (HPC) clusters. Your mission is simple yet profound: make our CNO environment the absolute best place for software devel

Full-time

Project Manager MADAP - Maryland Department of Health (MDH)

Baltimore, Maryland

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24d ago

Position Description: The Project Manager is assigned the management of a specific project and the work performed under assigned Work Orders, including process management, change management, document management, and contract management. The Project Manager should have a proven track record of leading complex technology modernization initiatives, including the migration of legacy systems to contemporary, scalable architectures. Education: This position requires a degree from an accredited college

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Contract, Third Party

Depends on Experience

Full Stack Software Engineer

Fort Meade, Maryland

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Today

Job Number: R0241926 Full Stack Software Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to serve as the lead to modernize a client critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining technical and process improvements to achieve improved mission performance and compliance, and defining improved decision logic

Full-time

USD 86,900.00 - 198,000.00 per year

Acquisition Specialist

Washington, District of Columbia

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Today

Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research. Since 1998, o

Contract

Data Management & Governance Lead

Woodlawn, Maryland

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Today

Job#: 3038996 Job Description: Title: Data Management & Governance Lead Location: Remote EST - local candidate to Washington DC available for on-site meetings would be highly preferred Duration: 6 Months+ w/ conversion to customer FTE if awarded the project/work (5+ year award) Clearance Eligibility Requirement: Must be eligible to attain Public Trust for CMS prior to starting Start Date: 3-5 weeks from offer pending Public Trust The Data Management & Governance Lead role will be supporting

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Full-time

$46 - $56 per hour

Senior Appian Plugin Developer- Remote

Remote or Reston, Virginia

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5d ago

We are seeking a Senior Appian Plugin Developer to support a structured Appian Cloud migration engagement delivered through an Autonomous Delivery Pod model. This role is focused on modernizing custom Appian plugins and ensuring full compatibility with Appian Cloud architecture within a regulated enterprise environment. The selected candidate will operate within a cohesive, outcome-driven delivery team accountable for plugin modernization, application remediation, cloud deployment readiness, an

Full-time

USD 98,614.00 - 167,644.00 per year

Project Manager MADAP - Maryland Department of Health (MDH)

Baltimore, Maryland

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16d ago

Easy Apply

Contract, Third Party

Depends on Experience

Business Intelligence / Data Visualization Developer

Washington, District of Columbia

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5d ago

Infotrend is seeking aBusiness Intelligence / Data Visualization Developerto support a federal customer onsite in Washington, DC. This role is ideal for a hands-on BI professional with strong experience in Tableau development and administration, PostgreSQL/SQL, and Python-based reporting automation, with additional exposure to reusable datasets, automated reporting, and modernization of legacy BI environments. Federal government experience is strongly preferred. Requirements: Bachelors degree i

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Part-time

135,000 - 165,000

Business Systems Analyst II

Owings Mills, Maryland

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Today

Title: Business Systems Analyst II Description: Overview The II/RPS Technology organization is seeking a skilled Senior-level Business Analyst. This role involves collaborating with cross-functional teams to analyze, interpret, and leverage data to improve business processes and drive strategic business decisions. To succeed in the role, the ideal candidate will have a strong background in data and business analysis, and be intellectually curious. Responsibilities Define and translate business n

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Contract

Lead AI & ML Engineer

Woodlawn, Maryland

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Today

Job#: 3038667 Job Description: Lead AI & ML Engineer Location: Woodlawn, Maryland (Partial Remote) Role Overview We are seeking a Lead AI/ML Engineer to join a team of qualified, diverse professionals. The ideal candidate will lead the architecture, design, and development of advanced AI assisted solutions supporting large-scale modernization efforts. This role will be critical in driving automated rule extraction from legacy systems, engineering next-generation AI platforms, and ensuring th

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Full-time

$65 - $75 per hour

Phone Technician Lead

McLean, Virginia

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Today

MANTECH?seeks a motivated, career and customer-oriented Phone Technician Lead to join our team in?McLean, VA. In this role, you are responsible for the installation, maintenance, and support of telecommunications systems, including VoIP and legacy phone systems. As the Lead, you will balance hands-on technical expertise with strong team leadership and administrative capabilities, managing a multi-skilled team to ensure high-quality service delivery across Northern Virginia. Responsibilities inc

Full-time

Sr .NET Blazor Developer

Remote or Tysons, Virginia

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Today

Overview The Senior NET Blazor is responsible for building secure, high-quality application features within the VA-EISS platform using Microsoft technologies, including C#, .NET, and Blazor for the Department of Veterans Affairs (VA), Office of Information and Technology (OIT), Product Delivery Services (PDS), Benefits and Memorials (BAM), Memorial and Benefit Services (MBS) deliver secure, reliable, and effective Information Technology (IT) solutions that support the Department's mission. Res

Full-time

System Engineer Level 2

Annapolis, Maryland

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Today

Responsibilities: Develop the technical roadmap and reusable patterns that enable teams to leverage LLM solutions where it makes sense. Starting with high-ROI pilots, you'll develop "easy button" templates and common resources for teams to adopt while preserving the flexibility for organizations to continue managing their own on-premise infrastructure when the mission demands it.Architect end-to-end solutions for complex CNE services, creating integration patterns between legacy systems and new

Full-time

USD 131,000.00 - 161,000.00 per year

Principal Identity Solutions Engineer TS/SCI Polygraph

Maryland

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Today

Leidos has a new and exciting opportunity for a Principal Identity Solutions Engineer 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. *You must have an active TS/SCI Polygraph* No exceptions, unfortunately. At Leidos, we offer competitive benefits, inc

Full-time

USD 131,300.00 - 237,350.00 per year

Oracle Fusion Cloud Developer

Washington, District of Columbia

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Today

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 within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 86,400.00 - 176,200.00 per year

Principal RF Communications & Electronic Warfare Engineer

Linthicum Heights, Maryland

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Today

Principal RF Communications & Electronic Warfare Engineer $185,000-$250,000 Base Salary $15,000 Signing Bonus Annual Bonus Equity Relocation Assistance Hybrid | Huntsville, AL | Full-Time | 9/80 Schedule This isn't another defense contractor job. Join a mission-focused engineering team developing next-generation RF communications and Electronic Warfare capabilities for national defense. Lead system architecture, collaborate directly with DoD customers, and work hands-on across SDR, radar, r

Full-time

USD 185,000.00 - 250,000.00 per year

Product Architect - AI & Digital Products

Towson, Maryland

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Today

Product Architect - AI & Digital Products Come make the world and accelerate your success. It takes great people to achieve greatness. People with a sense of purpose and integrity. People with a relentless pursuit of excellence. People who care about making things better For Those Who Make The World . Sound like you? Join our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world's most beloved brands, including D

Full-time

USD 110,600.00 - 178,000.00 per year

Cloud Solutions Architect

Arlington, Virginia

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Today

Title: Systems Engineer IV Description: Solutions LLC is supporting a U.S. Government customer to support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Solutions LLC is seeking an experienced and technically proficient Cloud Solutions Architect that willperform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restorat

Full-time

USD 150,000.00 - 168,000.00 per year

Legacy Systems jobs in Columbia, MD, USA