Constellation · 20 hours ago
Software Engineer (Tool Developer) - FULLY CLEARED with POLYGRAPH REQUIRED
Annapolis Junction, MD
Full-time
Onsite
Senior Level, Lead/Staff
$150K/yr - $261K/yr
11+ years expConstellation Technologies, Inc is seeking a Software Engineer (Tool Developer) to work on federal contracts requiring a TS/SCI security clearance. The role involves developing and maintaining software tools, performing architecture reviews, and leading development efforts for cryptanalytic engineering.
EnergyNatural ResourcesRenewable Energy
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Must be a US Citizen
Must have TS/SCI clearance w/ active polygraph
Eleven (11) years of direct/relevant experience
Experience with JAVA, Python, Rust, C++, TypeScript, VisualStudio, Gitlab
Experience with enterprise Java application development in order to take existing tool base, understand the tool's functionality from documentation and research, examine new parameters needed, and lead overall development
Will perform software & architecture review, transition and release planning, maintenance, automated testing, debugging, user support, version control, and new feature development
Perform end-to-end (concept to reality) capability development, taking research-based approaches – often software prototypes and algorithms – to create tools for cryptanalytic engineering and analysis
Graph representation and transformation to alt graph structures, digital logic emulation; re-architecture to object-oriented techniques, file parsing and generation with optimization framework
Qualification
Required
Must be a US Citizen
Must have TS/SCI clearance w/ active polygraph
Eleven (11) years of direct/relevant experience
Bachelor's degree in computer science or related discipline from an accredited college or university is required
Experience with JAVA, Python, Rust, C++, TypeScript, VisualStudio, Gitlab
Experience with enterprise Java application development in order to take existing tool base, understand the tool's functionality from documentation and research, examine new parameters needed, and lead overall development
Will perform software & architecture review, transition and release planning, maintenance, automated testing, debugging, user support, version control, and new feature development
Preferred
Perform end-to-end (concept to reality) capability development, taking research-based approaches – often software prototypes and algorithms – to create tools for cryptanalytic engineering and analysis
Graph representation and transformation to alt graph structures, digital logic emulation; re-architecture to object-oriented techniques, file parsing and generation with optimization framework
Benefits
Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
Dental insurance with 100% employer paid premium
Vision with 80% employer paid premium
Employer paid Life insurance 100%
Employer paid Short-term and Long-term disability 100%
Annual training, continued education, and professional memberships reimbursement
Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
Annual reimbursement for technology i.e. phones, computers, printers, etc.
401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)
Professional development investment and paid time off for training
Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers
Leadership Team engagement and mentorship
Performance Recognition Program
Complimentary branded apparel
Refer them through the CTI External Referral Program and you could receive a one-time referral bonus of up to $10,000
Company
Constellation
Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the largest private-sector power producer in the world and the nation’s largest producer of clean and reliable energy.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$1.9BKey Investors
US Department of Energy
2025-11-18Post Ipo Debt· $1B
2024-03-18Post Ipo Debt· $900M
2011-04-28Acquired
Leadership Team
Dara Lutz
Vice President Human Resources, Commercial & Corporate
Lavanya Balakrishnan
Vice President, Credit at Constellation Energy
Recent News
2026-02-06
2026-02-06
2026-02-02
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