Sr. Python Developer

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Date: Jul 31, 2025

Location: Linthicum Heights, MD, Maryland, United States

Company: HII's Mission Technologies division

Requisition Number: 24731 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Security Clearance: TS/SCI with Poly  

Level of Experience: Mid 

 

This opportunity resides with Cyber & Electronic Warfare, a business group within HII’s Mission Technologies division. HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace. Our deep expertise in network architecture, software and hardware development, cybersecurity and the electromagnetic environment uniquely enables us to support sensitive missions for federal agency partners.

 

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

Job Description

Mission Technologies, Cyber & Intelligence Team is looking for a Sr. Python Developer to join a cutting-edge cybersecurity initiative focused on safeguarding critical digital infrastructure. If you're passionate about writing clean, scalable code and thrive in mission-driven environments, this one is for you.

You can expect to collaborate closely with a dedicated team and mission stakeholders to gather and refine technical requirements, ensuring alignment with mission objectives. Your role will involve designing and implementing parsers for a wide range of network protocols, as well as developing sophisticated fingerprints and detection signatures to identify suspicious or anomalous network activity. You will also be responsible for integrating and deploying these solutions into customer-supported tools, streamlining and automating the analysis of data and metadata to enhance threat detection and response capabilities. 

 

Essential Job Responsibilities

  • Experience working directly with customers to integrate and overlay network datasets within established architectures, specifically using the ABYSS product

  • Proficiency in integrating custom parsers and detection signatures into ABYSS to enhance network visibility and threat detection

  • Demonstrated ability to develop and refine tradecraft for front-end sensors, supporting advanced cybersecurity operations and situational awareness

Minimum Qualifications

  • Bachelor’s degree in Computer Science or a related field, with a minimum of 8 years of relevant professional experience (or equivalent combination of education and experience)

   

 Clearance:  Must possess and maintain an active TS/SCI clearance with Polygraph for consideration

 

 

 

Preferred

 

  • Strong programming expertise in Python, C++, and Apache Spark

  • Hands-on experience with tools and platforms such as Jupyter Notebooks, JIRA, Confluence, and Git/GitLab

  • Familiarity with XKEYSCORE and ABYSS fingerprinting techniques for network analysis and threat detection

Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our diverse workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

 

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

 

Together we are working to ensure a future where everyone can be free and thrive.
Today’s challenges are bigger than ever, and the nation needs the best of us. It’s why we’re focused on hiring, developing and nurturing our diversity. We believe that diversity among our workforce strengthens the organization, stimulates creativity, promotes the exchange of ideas and enriches the work lives of all our employees. 

 

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

 

Do You Need Assistance? 
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Technical Solutions.