ACT Jobs in District of Columbia

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161 - 180 of 1,534 Jobs

Combat Systems Engineer

BOOZ, ALLEN & HAMILTON, INC.

•

Washington, District of Columbia, USA

Full-time

Combat Systems Engineer The Opportunity: As a systems engineer, you ask questions others don't. You understand the nuances of complex situations. You use your skills to think bigger and push further, solving complex problems. We're looking for an expert like you to create solutions for missions that keep our nation safe. As technical program support for a highly technical, dynamic, experimental, and fast-paced Navy systems engineering and technical assistance ( SETA ) team, you'll bring your op
Posted 11 days ago | Updated 5 hours ago

Systems Engineering Lead

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2508171 Location: CHANTILLY, VA, US Date Posted: 2025-08-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is a premier Fortune 500 technology integrator driving our nation's technology transformation. Our robust portfolio of offerings across the de
Posted 12 days ago | Updated 1 hour ago

Data Analyst lll

Kforce Technology Staffing

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Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Data Analyst in Reston, VA. Key Tasks: * Data Analyst will document business requirements based on internal customer needs, maintain application interface registration, support data attributes registration and source to target management (STTM) * Support internal customers and resolve any data issues quickly to avoid interruptions to business processes * Understand how application is set up in AWS and how to test applications hosted in AW
Posted 8 days ago | Updated 1 hour ago

Lead Machine Learning Engineer (ML Algorithms, Deep Learning, Python, AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Machine Learning Engineer (ML Algorithms, Deep Learning, Python, AWS) As a Capital One Machine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You'll participate in the detailed technical design, development, and implementation of machine learning applications using existing and emerging technology platforms. You'll focus on machine learning architectural design, develop and review model and applicati
Posted 19 hours ago | Updated 3 hours ago

Senior Systems Administration Manager

Apex Systems

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Tysons, Virginia, USA

Full-time

Job#: 2075694 Job Description: Sr. EPM Manager (OneStream) Apex Systems looking for a Sr. EPM Manager (OneStream)! Role: This role will be responsible for implementing, managing, and optimizing the Company's EPM system (OneStream). It will have a blend of both functional and technical knowledge of the CPM solution and be primarily responsible for overseeing full post-implementation administration of the application. The individual in this role must be an organized, effective communicator who c
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Posted 36 days ago | Updated 4 hours ago

Full Stack Developer (Node.js)

ICF

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Reston, Virginia, USA

Full-time

ICF is looking for a Full Stack Developer (Node.js) to support our client in the Washington, DC Metro Area! This role can sit remote, with travel to the Washington DC area approximately 4 times a year for meetings. What you'll be doing: Collaborate with others to define and implement optimal, complete solutions based on stakeholder needs. Design and code back-end and front-end web based software as part of a distributed cloud-based application. Generate, capture, apply, and share best practices
Posted 3 hours ago

Principal Platform Engineer / Linux (Onsite)

RTX Corporation

•

Springfield, Virginia, USA

Full-time

Date Posted: 2025-08-05 Country: United States of America Location: VA141: 8350 Alban Road, Springfield 8350 Alban Road Suite 700, Springfield, VA, 22150 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our na
Posted 4 days ago | Updated 3 hours ago

Enterprise Architect IV

Kforce Technology Staffing

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Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Enterprise Architect IV in Reston, VA. Responsibilities: * Position yourself as a trusted advisor to business teams and partner with them to understand their requirements for cloud implementations * Enterprise Architect IV will provide recommendations to clients with respect to AI/ML implementations and prepare technical implementation roadmaps for adoption * Create application architecture, data architecture, deployment architectures, fu
Posted 1 day ago | Updated 1 hour ago

Lead Software Engineer, Full Stack

Capital One

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McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack 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 solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 60+ days ago | Updated 3 hours ago

Java/J2EE Senior Developer

Apex Systems

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McLean, Virginia, USA

Full-time

Job#: 2080244 Job Description: Position: Java/J2EE/Python Senior Developer Industry: Financial Services Location: McLean, Virginia Hours: M-F, onsite Requirements: Responsibilities: Develop and maintain Python services for model training and inference. Implement Java services to bridge communication between client callers and Python services. Conduct performance tuning and stress testing of models. Identify and resolve issues during model reconciliation processes. Address software security vul
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Posted 42 days ago | Updated 4 hours ago

Cybersecurity Operations Analyst

Kforce Technology Staffing

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Remote or Columbia, Maryland, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Cybersecurity Operations Analyst in Columbia, MD. Responsibilities: Threat Detection & Investigation: * Monitor and triage alerts from SIEM, EDR, email security, and other monitoring tools * Investigate escalated alerts from MSSP or automated detections * Perform threat hunting based on IOCs, suspicious activity, and threat intelligence Incident Response: * Lead response for medium-to-high severity incidents * Conduct root cause analysis
Posted 14 hours ago | Updated 1 hour ago

Senior Systems Engineer - TS/SCI

Metric5

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Springfield, Virginia, USA

Full-time

Location: Springfield, VA (ONSITE 5 Days) Job Summary We're looking for a highly skilled and experienced Senior Systems Engineer to join our dynamic IT team. The ideal candidate will be a key player in designing, implementing, and maintaining our critical IT infrastructure, ensuring its reliability, security, and scalability. This role requires a blend of hands-on technical expertise, a strategic mindset, and a proactive approach to problem-solving. Key Responsibilities Design, deploy, and manag
Posted 5 days ago | Updated moments ago

Developer I

Kforce Technology Staffing

•

Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Developer I in Reston, VA. Responsibilities: * Developer I will lead development efforts to design, develop and implement target state cloud-based technologies across the enterprise * Work with the stakeholders and other enterprise developers to formulate plans and solutions that support the enterprise goals, implement efficient end-to-end processes and leverage use of existing IT assets * Align strategic goals and objectives with key busi
Posted 1 day ago | Updated 1 hour ago

Cyber Systems Engineer III - ECDS

General Dynamics

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Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cross Domain (Inactive), Security System Design, Systems Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is your place. You make it your own by embracing autonomy, seizing opportu
Posted 21 days ago | Updated 3 hours ago

Program Manager

Electronic Consulting Services, Inc (ECS Federal)

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Fairfax, Virginia, USA

Full-time

Job Description ECS is seeking a Program Manager to work in our Fairfax, VA office. We are seeking an experienced Program Manager with a specialty in Network and Computer Systems Administration (SME) to lead our Security Operations Support (SecOps) team under a mission-critical federal contract. This dual-role position combines subject matter expertise in secure infrastructure with program management leadership - delivering operational excellence, strengthening customer relationships, and driv
Posted 23 days ago | Updated moments ago

SIGINT Systems Engineer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506988 Location: CHANTILLY, VA, US Date Posted: 2025-07-24 Category: Engineering and Sciences Subcategory: 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 is seeking a SIGINT Systems Engineer to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterp
Posted 49 days ago | Updated 1 hour ago

Senior Lead Software Engineer, Back End

Capital One

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McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End 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 technologies. As a Capita
Posted 60+ days ago | Updated 3 hours ago

Senior Manager, Software Engineering, Full Stack

Capital One

•

McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering, Full Stack 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 solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Ca
Posted 60+ days ago | Updated 3 hours ago

Combat Systems Engineer

Booz Allen Hamilton

•

Washington, District of Columbia, USA

Full-time

Job Number: R0223462 Combat Systems Engineer The Opportunity: As a systems engineer, you ask questions others don't. You understand the nuances of complex situations. You use your skills to think bigger and push further, solving complex problems. We're looking for an expert like you to create solutions for missions that keep our nation safe. As technical program support for a highly technical, dynamic, experimental, and fast-paced Navy program management office ( PMO ) systems engineering and t
Posted 13 days ago | Updated 4 hours ago

Manager, Cyber Capabilities- Hybrid Rosslyn, VA

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Manager, Cyber Capabilities This company delivers advanced solutions in cybersecurity, predictive maintenance, and compliance for OT systems within the defense, aerospace, and rail sectors. Their team is made up of dedicated, forward-thinking professionals who excel in a collaborative setting, united by a common goal: transforming the way fleets operate. The company is located in Rosslyn, VA - Hybrid (required in-office 3-4 days a week), occasional travel to customer sites What You Will Be Doing
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Posted 23 days ago | Updated moments ago