Open Source jobs in Columbia, MD

Target Digital Network Analyst - (SIGINT, Open Source Intelligence, Network Analysis)

Linthicum Heights, Maryland

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Today

Target Digital Network Analyst - (SIGINT, Open Source Intelligence, Network Analysis) Clearance: TS/SCI - Polygraph required Position ID: 10-5013-TDNA Location: Linthicum, Maryland Description: This is a projected vacancy expected to become available in October 2026. We are seeking a Target Digital Network Analyst (TDNA) familiar with network-based adversary tactics, techniques, and procedures, network protocols, and common cyber vulnerabilities. This position will combine expert level rese

Full-time

USD 187,000.00 - 229,000.00 per year

Software Engineer II, Open Source Server

Remote or San Francisco, California

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Today

Role Summary Temporal is looking for a Software Engineer II to join the Open Source Server team. This team builds and maintains the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these areas. We'r

Full-time

USD 118,400.00 - 194,250.00 per year

Senior Staff Engineer, Open Source Server

Remote

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Today

Role Summary Temporal is looking for a Senior Staff Engineer to join the Open Source Server team as a technical lead. This team works on the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these

Full-time

USD 208,000.00 - 341,250.00 per year

Staff Software Engineer, Open Source Server

Remote or San Francisco, California

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Today

We are currently hiring Staff Software Engineers across multiple back-end systems teams. The work you will do as a Staff Engineer is key to developing features without complicating Temporal, as the increasing complexity of our systems creates additional challenges. You will design, build, and maintain significant portions of our backend functionality for highly scalable, multi-tenant services. Examples of the key distributed systems aspects you can impact include (but not limited to) latency, sc

Full-time

USD 169,600.00 - 278,250.00 per year

Senior Software Engineer, Open Source Server

Remote

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Today

Role Summary Temporal is looking for a Senior Software Engineer to join the Open Source Server team. This team builds and maintains the core Temporal server. Its scope is broad, including Matching, Applications, Foundations, task processing, quotas and throttling, visibility, developer-facing primitives such as standalone activities, schedules, and streaming, and workflow experience improvements such as Continue-As-New, pause, and reset. We do not expect one person to cover all of these areas

Full-time

USD 140,800.00 - 231,000.00 per year

Target Digital Network Analyst (TDNA 2)

Fort Meade, Maryland

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Today

Job Title: Target Digital Network Analyst (TDNA 2) Job Category: Intelligence Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI is seeking Target Digital Network Analyst 2 (TDNA 2) to support core Intelligence Community (IC) missions at multiple locations. As a TDNA, you will be given the opportunity to showcase your SIGINT analysis talent and e

Full-time

USD 78,700.00 - 165,200.00 per year

Computer Network Analyst/Programmer 1-TG-1673

Maryland

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Today

REQUIRED: TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Provides custom software design and development of CNO tools and techniques. Designs and develops end-to-end data flow and tasking into CNO tools developed. Provides/authors documentation, participate in design, code, and software readiness reviews in accordance with the Government's software development procedures and processes.The Level 1 CNO Analy

Full-time

USD 78,000.00 per year

Cloud Software Engineer 4-BP-285

Maryland

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Today

REQUIRED: TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED) Design, implement, integrate and test new features and capabilities for cloud native service offerings. These systems must be able to run in a hybrid cloud model using containerization, container orchestration, and function based (such as server-less) technologies. Developing and designing web-based user interfaces to support search and presentatio

Full-time

Software Engineer III

Fort Meade, Maryland

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Today

Job Description SALARY RANGE $209,000 - $266,000/year. DUTIES As a successful candidate for the Software Engineer role, you will serve as a hybrid Analyst/Developer utilizing your experience in LLMs and AI-integrated Python pipelines to drive mission-critical initiatives. In this position, you will participate in every stage of the development lifecycle for new tools and plugins, from initial conceptualization through deployment. Your core focus will involve architecting agentic Python automa

Full-time

USD 209,000.00 - 266,000.00 per year

MD University - 2027 Summer Games Systems Engineer Intern - Annapolis Junction

Hybrid in Maryland

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Today

Job Number: R0248384 University - 2027 Summer Games Systems Engineer Intern - Annapolis Junction, MD The Opportunity: The Summer Games is an innovative internship program that attracts some of the nation's best and brightest students. The goal is to develop a breakthrough idea or solution for one of our customer's most pressing, complex, and multidimensional problems while developing valuable technical skills. This competitive and collaborative program attracts thousands of applicants each year

Full-time

USD 52,900.00 - 108,000.00 per year

Principal Software Engineer

Columbia, Maryland

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Today

Leidos has a new and exciting opportunity for a Principal Software Engineer in our Intel Sector. 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, Flexible Schedules, Discounted Stock Purchase Plans,

Full-time

USD 131,300.00 - 237,350.00 per year

MD University - 2027 Summer Games Data Scientist Intern - Annapolis Junction

Hybrid in Maryland

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Today

Job Number: R0248408 University - 2027 Summer Games Data Scientist Intern - Annapolis Junction, MD The Opportunity: The Summer Games is an innovative internship program that attracts some of the nation's best and brightest students. The goal is to develop a breakthrough idea or solution for one of our customer's most pressing, complex, and multidimensional problems while developing valuable technical skills. This competitive and collaborative program attracts thousands of applicants each year.

Full-time

USD 61,900.00 - 141,000.00 per year

CNO Software Developer

Fort Meade, Maryland

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Today

Razor is seeking an experienced CNO Software Developer to support a long-term Computer Network Operations (CNO) program in the Fort Meade, Maryland area. This position focuses on developing, testing, and maintaining software solutions supporting mission-critical operations within a classified federal environment. The ideal candidate will have strong programming experience in C++ and Python, familiarity with Linux/UNIX development environments, and the ability to collaborate with techni

Full-time

Senior Software Engineer

Fort Meade, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Senior Software Engineer to join our intel team. You will be supporting TAO and working alongside the ATPG customer to build and maintain tools that support the operational mission. You will be working as part of a team that identifies and provides solutions to resolve workflow inefficiencies and take advantage of opportunities to advance mission. Day to day, you will di

Full-time

USD 190,000.00 - 240,000.00 per year

Target Analyst Reporter 1 - (Network Forensics, Reverse Engineering, Intrusion Detection)

Fort Meade, Maryland

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Today

Target Analyst Reporter 1 - (Network Forensics, Reverse Engineering, Intrusion Detection) Clearance: TS/SCI - Polygraph required Position ID: 10-5014-TAR1 Location: Fort Meade, Maryland Description: We are currently seeking a Target Analyst Reporter (TAR) to join our team and support critical national security missions in the Fort Meade area. Position Required Skills: Computer Network Exploitation Vulnerability Assessment Penetration Testing Incident Response Network and/or server forensics

Full-time

USD 188,000.00 - 230,000.00 per year

Software Engineer (LLM)

Fort Meade, Maryland

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Today

Description Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Software Engineer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized tools for enhanced efficiency and quick iterations for our operations user base. Seeing your tools in real-time action brings immediate gratification. This premier program encompasses traditional software

Full-time

USD 187,000.00 - 264,000.00 per year

Cyber Security Fusion Analyst

Fort Meade, Maryland

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Today

The Leidos Defense Group has an opening for a Cyber Security Fusion Analyst on the DISA GSM-O II program supporting Joint Force Headquarters DODIN at Fort Meade. Position Summary: GSM-O II provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the DOD and COCOMs. In this role, you will provide support with incident handling, triage of events, network analysis, threat detection, trend analysis, metric development, and vulnerability i

Full-time

USD 107,900.00 - 195,050.00 per year

Software Engineer - NTN

Germantown, Maryland

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Today

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do PHY Management team is responsible for the development of t

Full-time

USD 140,500.00 - 221,500.00 per year

Senior Cloud Engineer/AWS Administrator

Maryland

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Today

Razor is looking for a Senior Cloud Engineer/AWS Administrator to provide advanced cloud engineering, enterprise integration, and technical leadership supporting complex U.S. Government cloud environments. This role focuses on designing and integrating cloud-native capabilities, resolving advanced platform issues, and engineering sustainable solutions across containerized, hybrid, and multi-cloud environments. Education & Certification Requirements: Relevant technical education or equivalent pr

Full-time

USD 247,584.00 - 268,216.00 per year

Senior Data Scientist

Fort Meade, Maryland

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21d ago

Senior Data Scientist General Information Requisition #729 Locations USA-MD-Ft. Meade Posting Date 07/24/2026 Security Clearance Required - TS/SCI + Poly Remote Type N/A Time Type Full time Description & Overview: We are seeking talented and motivated Data Scientists with expertise in machine learning, statistical analysis, and artificial intelligence to join our team. In these roles, you will be responsible for developing advanced algorithms and data-driven solutions that address complex challe

Full-time

USD 150,000.00 - 220,000.00 per year

Open Source jobs in Columbia, MD, USA