senior Jobs in District of Columbia

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Data Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.

•

McLean, Virginia, USA

Full-time

Data Engineer, Senior The Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there's more structured and unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it's gathered from disparate sources. We need an experienced data engineer like you to help our clients find answers in their data to impact important missions- from personnel security to i ndustrial securi
Posted 12 days ago | Updated 10 hours ago

Senior Systems Engineer - Sustainment CPT Lead

QinetiQ US

•

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a
Posted 1 day ago | Updated 2 hours ago

SailPoint Senior Systems Engineer // Washington, DC (Onsite)

Technogen, Inc.

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Washington, District of Columbia, USA

Contract

TECHNOGEN, Inc. is a Proven Leader in providing full IT Services, Software Development and Solutions for 15 years. TECHNOGEN is a Small & Woman Owned Minority Business with GSA Advantage Certification. We have offices in VA; MD & Offshore development centers in India. We have successfully executed 100+ projects for clients ranging from small business and non-profits to Fortune 50 companies and federal, state and local agencies. Hi There, I am Kishore Senior Talent Acquisition Specialist with T
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Posted 6 hours ago | Updated moments ago

Senior System Engineer

Harmonia Holdings Group, LLC.

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Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Position: Senior System Engineer Location: Washington, DC - Fully Onsite Clearance: Top Secret with SCI Harmonia is currently seeking a Senior System Engineer who understands a wide range of technologies a
Posted 48 days ago | Updated 11 hours ago

Senior DevSecOps Engineer

Aventine software

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Tysons, Virginia, USA

Full-time

We have an urgent opening for a Senior DevSecOps Engineer and need resumes immediately. This is a leadership role, and we re looking for someone who can: Role :: Senior DevSecOps EngineerLocation::Work onsite 4 days a week in Tysons Corner, VACommunicate effectively with the client (Really important)Job Type: Full-time EmploymentSalary :: Salary Range: $130K $150K/yr +benefits. Job description Client seeks a Senior DevOps Engineer with a strong AWS background to help support our federal clients.
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Posted 12 days ago

Senior Database Administrator

9th Way Insignia

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Washington, District of Columbia, USA

Full-time

9th Way Insignia is a service-disabled, veteran-owned small business bringing transformative technology to our government customers so they can achieve their missions. Our specialties include cybersecurity, cloud modernization, software development, data analytics, enterprise architecture, enterprise IT, analytics, process automation, and artificial intelligence. Learn more about 9th Way Insignia at Project Introduction The Office of Performance Analysis and Integrity manages and enhances the Ve
Posted 8 days ago | Updated 11 hours ago

Senior SOA Developer (Oracle SOA, BPEL, Oracle ESB)

PETADATA

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McLean, Virginia, USA

Full-time, Contract, Third Party

Position: Senior SOA Developer (Oracle SOA, BPEL, Oracle ESB) Location: McLean, VA (Onsite) Work Type: C2C Experience: 10+ Years PETADATA is looking for a highly experienced Senior SOA Developer with over 10 years of hands-on expertise in designing and implementing enterprise integration solutions using Oracle SOA Suite, BPEL, and Oracle ESB. The candidate will lead the design and development of complex service-oriented architecture solutions, mentor junior developers, and contribute to integ
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Posted 2 days ago | Updated 1 day ago

Senior Systems Engineer - Sustainment CPT Lead

QinetiQ

•

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all
Posted 4 days ago | Updated moments ago

Senior Systems Engineer - Sustainment CPT Lead

QinetiQ US

•

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a
Posted 2 days ago | Updated moments ago

Senior Systems Engineer

Leidos

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Washington, District of Columbia, USA

Full-time

Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the kind of environment
Posted 5 days ago | Updated moments ago

Sr Quality Assurance Analyst (Cityworks Exp. is required) at Washington DC (Hybrid)

SanKar Inc

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Washington, District of Columbia, USA

Contract

Position : Sr Quality Assurance Analyst (Cityworks Exp. is required) at Washington DC (Hybrid) Location: Washington DC (Hybrid) Type: Contract Job Description This role expects to lead small-medium size projects (Waterfall and Agile). Responsibilities 15 years of IT QA experience ideally with Development and Management background. Developing, implementing, and reviewing Use Cases, Test Cases, and Test Scripts. Manual and automation testing. Perform functional testing of web services using SOAP
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Posted 20 days ago | Updated 2 days ago

Senior Software AI Engineer

Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0223966 Software AI Engineer, Senior The Opportunity: We're looking for a passionate, senior full-stack s of tware engineer focused in AI to work with a fast-paced, highly collaborative sof tware development team building and launching capability for enterprise web-based systems in the cybersecurity field. You'll have the opportunity to work on building a web-based SaaS solution automating cybersecurity risk management and vulnerability or configuration monitoring. You'll be respo
Posted 5 days ago | Updated 3 hours ago

Senior Structural Engineer

Stantec

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Washington, District of Columbia, USA

Full-time

At Stantec, we know the work we do matters. From decarbonizing mines to modernizing electric grids and building the infrastructure that fuels communities, we're powering the world. Our clients come to us with their biggest, most complex challenges because that's where we thrive. And we're looking for problem solvers, high achievers, and visionaries to help us. Join us for a chance to grow professionally at one of the world's top design firms while building our clean energy future. Your Opportuni
Posted 47 days ago | Updated 2 hours ago

Senior O365 Engineer

SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506825 Location: WASHINGTON, DC, US Date Posted: 2025-07-28 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is Seeking a motivated, experienced Senior O365 Engineer with experiences in Microsoft Cloud Technologies to support Pension Benefit Guaranty Corporation (PBGC) in Washington,
Posted 55 days ago | Updated moments ago

Senior Cybersecurity Engineer- 5 days onsite Rosslyn, VA

Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

Senior Cybersecurity Engineer This client is looking for someone who has experience interacting with federal agencies such as DARPA, DCSA, and OSI PJ, managing compliance efforts in eMASS, maintaining and auditing program security packages, and administering secure computer networks. You'll be responsible for ensuring compliance with federal and DoD cybersecurity standards, as well as developing and maintaining System Security Plans (SSPs) and supporting documentation. The candidate must have an
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Posted 36 days ago | Updated 11 hours ago

Sr. Cloud Solutions Architect

Knowledge Management, Inc

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Washington, District of Columbia, USA

Full-time

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
Posted 19 days ago | Updated 11 hours ago

Homes.com - Senior Software Engineer (C#/.NET)

Costar Group

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Arlington, Virginia, USA

Full-time

Homes.com - Senior Software Engineer (C#/.NET) Job Description 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. Homes.com is already one of the fastest growing real estat
Posted 48 days ago | Updated 14 hours ago

Senior Web Application Developer

American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Web Application Developer with AMERICAN SYSTEMS, you will have the opportunity to do the following: Modernize and maintain web apps for scalability and
Posted 32 days ago | Updated 3 hours ago

Senior Manager, Software Engineering (Java, Go, AWS)

Capital One

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McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering (Java, Go, AWS) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying data with emerging technologie
Posted 2 days ago | Updated 1 day ago

Senior Vulnerability Analyst

Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0223305 Vulnerability Analyst, Senior Key Role: Design, develop, implement, and manage the Tenable suite of products to include vulnerability management, cloud security, OT security, and its related engineering projects from inception to completion and provide operating and maintenance ( O & M ) support. C ond uct regular vulnerability scans using tools such as Tenable and Elastic Security Stack SIEM. Interpret scan results. Validate and prioritize discovered vulnerabilities based
Posted 15 days ago | Updated 3 hours ago