Permanent Open Source Job Vacancies

1,126 to 1,150 of 1,211 Permanent Open Source Jobs

Data Engineer

London
Hybrid / WFH Options
BAE Systems
list of technologies we look for, demonstrable ability in what you have used previously, along with adaptability and willingness to learn is what we value A good understanding of Open Source software for Data Engineering and can evaluate these platforms against products. Given a customer problem you can analyse and evaluate options and recommend solutions. An understanding of More ❯
Employment Type: Permanent
Posted:

Senior Product Manager

London, United Kingdom
Hyperexponential Ltd
your own personal development and stay up-to-date with the latest industry trends and challenges. Bonus points for: Community contributions through meet-up/conference talks, blogs, or open-source Insurtech or fintech experience. Experience in data science and/or actuarial science. What Do We Offer? £5,000 for individual and group training/conference budget. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Growth Marketing Manager London, UK (Remote)

London, United Kingdom
Hybrid / WFH Options
Ably Realtime Ltd
an amazing opportunity ahead of us, and we want anyone to be able to contribute to that opportunity. If you enjoy working as part of a technology company, value open source, and love solving hard problems - then we'd love to hear from you, regardless of whether you fit the job description exactly or not. If in doubt More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Content Marketing Manager London, UK (Remote)

London, United Kingdom
Hybrid / WFH Options
Ably Realtime Ltd
an amazing opportunity ahead of us, and we want anyone to be able to contribute to that opportunity. If you enjoy working as part of a technology company, value open source, and love solving hard problems - then we'd love to hear from you, regardless of whether you fit the job description exactly or not. If in doubt More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Systems Administrator (HPC) with Security Clearance

Annapolis Junction, Maryland, United States
FUSE Engineering
security devices. Areas supported include HPC, HPC infrastructure support, networks, automation, and specialized software development. Requirements Installation, configuration, tuning, troubleshooting and administration of Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements. o Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs Distributing computing More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Country Sales Manager

Belgium
Alex Partners
Our client is a subsidiary, of a larger PE backed European Digital and Opensource technology company. They are looking to hire a General Manager (GM) for their Belgian subsidiary, €3 million revenue, to lead their next stage of growth. Leading a team of 15 across business lines and running the P&L (approx 5 mil), you will take ownership for More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Systems Administrator IV (HPC) in MD with Security Clearance

Annapolis Junction, Maryland, United States
Carson Solutions, LLC
CLEARANCE WITH FS POLY REQUIRED In addition to the above qualifications, must have the following qualifications: Installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs Distributing computing tools More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Systems Administrator IV (HPC) with Security Clearance

Annapolis Junction, Maryland, United States
JASINT Consulting and Technologies, LLC
NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems Installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs Distributing computing tools More ❯
Employment Type: Permanent
Salary: USD 185,000 Annual
Posted:

Systems Administrator L4 - HPC with Security Clearance

Annapolis Junction, Maryland, United States
Power3 Solutions
An active TS/SCI with polygraph is required. Active IAT Level II certification is required Installation, configuration, tuning, troubleshooting and administration of: Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs Distributing computing tools More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

All Source Threat Analyst with Security Clearance

Chantilly, Virginia, United States
Gridiron IT Solutions
GridIron IT is seeking a All Source Threat Analyst local to Chantilly, VA. Active TopSecret Clearance required! Must be able to obtain SCI CI Polygraph Conduct research and analysis at the operational or strategic level of the scale of analysis and, as appropriate, communicate analytic assessments in operational? or strategic?level analytic intelligence products and through oral briefings. Build … and maintain subject matter expertise in their assigned substantive or functional area. Review source reporting and raw intelligence to determine its value, significance, and relevance. Develop objective analytic assessments, when appropriate, by using logical argumentation based on intelligence information. Apply analytic integrity and tradecraft standards, including Office of the Director of National Intelligence (ODNI) Intelligence Community (IC) analytic standards … on?boarding. Successfully complete FBI's Understanding Technical Collection and Exploitation (INTEL 1315) course via FBI's Virtual Academy within three months of on?boarding. Successfully complete FBI's Open Source Action Group's (OSAG) On Demand training courses and the FBI's Privacy and Civil Liberties legal training, required to obtain Aperture Social Media Tools Access within More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

All Source Threat Analyst- China Specialty with Security Clearance

Chantilly, Virginia, United States
Gridiron IT Solutions
GridIron IT is seeking a All Source Threat Analyst local to Chantilly, VA. Active Top Secret Clearance required! Must be able to obtain SCI CI Polygraph Conduct research and analysis at the operational or strategic level of the scale of analysis and, as appropriate, communicate analytic assessments in operational? or strategic-level analytic intelligence products and through oral briefings. … Build and maintain subject matter expertise in their assigned substantive or functional area. Review source reporting and raw intelligence to determine its value, significance, and relevance. Develop objective analytic assessments, when appropriate, by using logical argumentation based on intelligence information. Apply analytic integrity and tradecraft standards, including Office of the Director of National Intelligence (ODNI) Intelligence Community (IC) analytic … on?boarding. Successfully complete FBI's Understanding Technical Collection and Exploitation (INTEL 1315) course via FBI's Virtual Academy within three months of on?boarding. Successfully complete FBI's Open Source Action Group's (OSAG) On Demand training courses and the FBI's Privacy and Civil Liberties legal training, required to obtain Aperture Social Media Tools Access within More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Graphics Software Developer

New York, United States
FROG DESIGN
Discuss technology with clients and represent the company. at conferences and trade shows to demonstrate and promote our leadership in the open-source arena. Knowledge of open-source development methodologies and relevant open-source communities. Remote. Payment for this position will be $95/hr. More ❯
Employment Type: Any
Salary: USD 95 Hourly
Posted:

Discovery & Collection Specialist - Mid Level with Security Clearance

Springfield, Virginia, United States
Allen Integrated Solutions LLC
experience) Location: Springfield, VA TS/SCI REQUIRED with an existing CI Polygraph or ability to pass one Required Qualifications: Russian language skills At least 3 years' experience conducting open source collection/analysis or geolocating images (handheld photography, videos, etc.) Course work or 2 years work experience with web browsing tools and advanced searching techniques 3 years … dates Experience with coding or building web scraping/crawlers/media veracity tools Knowledge of geospatial technologies Knowledge of DoD/IC databases and services Knowledge of Common Open Source databases and services Familiarity with social media Familiarity with production tracking software More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Collections Manager (All Levels) with Security Clearance

Annapolis Junction, Maryland, United States
FUSE Engineering
Description The Collection Manager/Analyst will conduct advanced analysis of collection and open-source data to ensure target continuity, to profile targets and their activities, and develop techniques to gain more target information. The analyst will have an understanding of principles and methods of exploiting foreign communications and communication systems to identify, collect, analyze, process and disseminate … analysis and enhancement through the use of DNI and DNR analytic techniques; analyze DNI data to identify new access development opportunities for follow-on collection requirements; perform research using open source and classified sources to develop comprehensive baseline profiles of designated target sets; identify intelligence gaps and evaluate the intelligence gathered in order to either tailor current collection More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Vacancy for Digital Library Systems Developer at University of Glasgow

Glasgow, United Kingdom
Digital Preservation Coalition
leading role in the development of digital library and repository applications in furtherance of the institutional research and educational ambitions. The post holder will be comfortable working in both open-source and proprietary contexts, displaying demonstrable understanding of common web technologies, distributed web-based applications abilities, and experience of LAMP-based environments. Solving data integration and interoperability issues … data standards and protocols associated with digital libraries or digital archives, the cultural heritage sector, and/or research information systems would therefore be advantageous, as would knowledge of open-source repository solutions. As part of a team committed to exciting, innovative, and novel solutions and services, the post holder will work closely with cognate technical colleagues in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Governance and Strategy Specialist with Security Clearance

Chantilly, Virginia, United States
Redhorse Corporation
Role Redhorse is transforming how the government leverages data and technology. As an OSINT Governance and Strategy Specialist, you will play a pivotal role in shaping the future of Open Source Intelligence (OSINT) within the Intelligence Community (IC). You will be at the forefront of OSINT strategy and innovation, directly supporting a key sponsor in their oversight … of IC open-source resources. This position ensures alignment of OSINT programs with national intelligence priorities and promotes best practices across interagency partners. This is an exceptional opportunity to contribute to a groundbreaking program, utilizing advanced technology and influencing the future of intelligence gathering and analysis. Key Responsibilities Directly support IC committees and subcommittees, providing administrative and substantive … Subcommittee Chair's responsibilities. Directly support the Sponsor's Community OSINT managers regarding IC OSINT collection and production requirements. Required Experience/Clearance Experience working with the IC's Open Source Strategy, policy, and procedures, including the IC OSINT Strategy. Experience with IC efforts to develop or improve OSINT governance, collection management, data acquisition and sharing, tradecraft and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Head of Marketing

Fleet, Hampshire, United Kingdom
Fleet
online, secure, compliant, and accessible from anywhere. This is known as "device management". You can read more about the company in our handbook , which is publicly available and open to everyone. tl;dr; Fleet Device Management Inc. is a recently-funded Series A startup founded and backed by the creators of osquery, the leading open-source … experience as a solo contributor. Experience with marketing teams larger than one. Experience marketing to enterprise accounts. Experience marketing to IT engineers, security engineers, or DevOps teams. Familiarity with open source and how to communicate with its users. Low ego and willingness to get hands dirty. "One of the best teams out there to work for and help More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Account Executive (UK)

United Kingdom
Eastmen Human Resources B.V
that are particularly strong in a few areas, and have some interest and capabilities in others. About the role We are looking for an experienced sales professional, ideally with open source experience who will be selling into global enterprise accounts. The ideal candidate has been a part of the sales efforts for other early-stage enterprise products in … manager What you'll bring A true desire to see customers benefit from the investment they make with Kong 5+ years of experience in selling enterprise software; experience with open source, APIs, and/or infrastructure software a big plus Ability to leverage established relationships and proven sales techniques for success Effective communicator and strong interpersonal skills Excellent … That's why technology companies, major banks, e-commerce innovators, and government agencies put Kong in front of their most important web applications. We believe in the power of Open Source and everything it stands for. That's why developers around the world enthusiastically contribute on top of our open-source platform. We are passionate about More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Targeting Analyst with Security Clearance

Reston, Virginia, United States
Leidos
in support of HUMINT operations against priority targets. Candidates will be responsible for identifying targeting leads to enable a variety of intelligence operations through the exploitation of classified and open-source databases. Successful Specialized Skills Officers will identify and evaluate possible counterintelligence concerns, drive HUMINT operations through written products and briefings, and empower core collectors by producing detailed … currently possess an active TS/SCI with polygraph. Candidates who do not currently possess this level of clearance will not be considered. Proficiency in manipulating various classified and open-source databases in support of the customer mission Experience related to intelligence research and targeting work is required Prior experience in supporting HUMINT operations or familiarity with the … in high threat areas Original Posting: July 7, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range More ❯
Employment Type: Permanent
Salary: USD 162,150 Annual
Posted:

Software Development Devi Technologies

Birmingham, Staffordshire, United Kingdom
Devitechs
and troubleshoot software issues ️ Work with databases and APIs ️ Collaborate in Agile sprint cycles ️ Participate in daily stand-ups and team meetings ️ Follow coding standards and documentation ️ Contribute to open-source or internal tools ️ Learn and use version control (Git) ️ Engage in code reviews with mentors ️ Research and apply new programming concepts More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Account Executive

London, United Kingdom
Hybrid / WFH Options
Flowable Group
Enterprise Account ExecutiveLondon, United Kingdom Flowable is a leading provider of open-source Intelligent Business Automation that combines the power of Process, Case and Decision management into an enterprise-ready unified platform. Effortless integration, fast-time-to-market, and unmatched flexibility, make Flowable the top choice for companies worldwide to drive operation excellence and lead transformation. As an … related industries Experience with Sales Methodologies like MEDDPICC and PANT Well-connected with a large network across the enterprise market, ideally in the financial services space Previous experience with open-source products, subscription-model software, or BPM sales is a significant plus What you can expect: You will enjoy flexible working-hours, training, and remote working; however, we More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Account Executive - Puppet

London, United Kingdom
Perforce Software, Inc
the renewal revenue stream and converting to larger, strategic deals for long-term business opportunities. Travel as necessary to develop account relationships and close large opportunities. Engage effectively with open source customers and communities, understanding their unique needs and aligning them with enterprise solutions. Collaborate with stakeholders and clients in German-speaking regions, ensuring language and cultural alignment … Requirements: Fluency in German and Englis h, both written and spoken. 3+ years of experience selling enterprise software - preferably within financial, banking, insurance, and healthcare verticals. Experience working with open source customers and enterprise-level organizations, ideally in a software or solutions-selling capacity. Proven ability to sell to Fortune 500/1000 accounts with strong technical acumen More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Research Engineer Remote, UK

United Kingdom
Hybrid / WFH Options
Prolific
synthetic data generation Design and implement novel evaluation frameworks for LLMs and agent systems that are grounded in human data Contribute to the academic AI community through publications and open-source contributions Stay at the forefront of AI research and pioneer innovative approaches to tackle pressing open challenges in the field Technical Implementation Design and conduct rigorous … research directions Communicate complex technical concepts to diverse stakeholders What You'll Bring 5+ years of engineering experience with significant AI/ML focus Demonstrated research experience through publications, open-source contributions, or impactful projects Strong engineering fundamentals and experience implementing AI systems in production environments Deep knowledge of LLM evaluation methodologies, alignment techniques, and model optimization approaches More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

LLM Penetration Tester with Security Clearance

Maryland, United States
Metronome LLC
Handler Preferred Experience Specific Applications, Technologies, and Services: LLM Platforms: Direct experience with models from OpenAI (e.g., GPT-3.5, GPT-4), Anthropic (e.g., Claude), Google (e.g., PaLM, Gemini), and open-source models. Security Concepts: Understanding of adversarial machine learning (Adversarial ML), prompt injection techniques, jailbreaking methodologies, and general cybersecurity principles as they apply to AI. Experience in cybersecurity … penetration testing, or ethical hacking, particularly with a focus on AI/ML systems. Research experience in adversarial AI, LLM security, or AI safety. Contributions to open-source projects related to LLM security or red-teaming. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sector Director - Central Government

London, United Kingdom
Elasticsearch B.V
government. Champion customer value - Help agencies unlock the power of their data with Elastic's platform across search, observability, and security use cases. Be an evangelist - Represent Elastic's open-source spirit while clearly communicating the differentiated value of our commercial offerings to both technical and executive audiences. Inspire trust and credibility - Develop lasting relationships with senior government … skills - Proven success leading complex, high-value, multi-layered pursuits in enterprise or public sector technology environments. Track record in growth - Experience in a high-growth SaaS, cloud, or open-source business, with a history of overachievement and breaking new ground. Mission-first mindset - A genuine passion for helping public sector customers deliver meaningful outcomes through technology. Leadership … to scale teams and capabilities in a dynamic, fast-evolving organisation. Bonus Points: Experience selling into HMRC, DWP, Home Office , or similar departments with complex mission objectives. Familiarity with open-source models and Elastic's community-driven approach . A strong network within the UK public sector partner ecosystem (e.g., systems integrators, specialist consultancies, framework providers). Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Open Source
10th Percentile
£51,125
25th Percentile
£62,500
Median
£73,000
75th Percentile
£96,250
90th Percentile
£127,500