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Principal Software Engineer


Job Category: Information Technology/MIS
Posted on: 04/17/2026, expires on 06/16/2026 (59 days)
Job reference #: 136368-en-us-5

Location
Houston, TX US-Region IV (West)
Address: 1001 Louisiana St
Ste 2300
Zip/Postal Code: 77002

Compensation
Unspecified Wage
$ Per Diem


Job description

WHO WE ARE

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.


TOTAL REWARDS

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.

Expected salary range of $138,600 to $154,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

PRIMARY PURPOSE OF POSITION

A Principal Software Engineer is a hands-on subject matter expert who is responsible for the overall software design of many components within systems and can lead the technical implementation of multiple initiatives. This role also will cover operational application production support of multiple systems across portfolios. The ideal candidate has experience working in a high paced environment and has strong knowledge of varying domains. This Principal Engineer has strong technology skills (Java, Python, Data Structures, algorithms experience, Perl, C#, Java, JavaScript, NodeJS, .NET, HTML, AngularJS, iOS Swift and/or Objective-C, Android Mobile, Xamarin), as well as packaged software design and implementation experience. The successful applicant will work closely with Product Managers, Scrum Masters, Technical Leads, Software Engineers, Principal Engineers, Quality Assurance Engineers, and Architects in a highly collaborative environment to provide quality software and solutions, while providing the necessary leadership to deliver releases on time and on budget. The position requires strong cross-team & cross-functional coordination/collaboration and even stronger communication skills working with senior management, technology leadership peers, key business partners, technical staff, and external partners. The candidate needs great interpersonal skills, enjoys dealing with tight schedules, can solve complex problems and will thrive in our high-energy, fast-paced environment. Be willing to take on additional engineering and leadership duties as assigned.

 

PRIMARY DUTIES AND ACCOUNTABILITIES

 

  • Drive multiple projects through to delivery removing obstacles as needed to ensure success.
  • Provide Technology Production support for multiple high Business value applications in an operational capacity across Portfolios.
  • Develop architecture and design of large-scale distributed software services and solutions.
  • Drive improvements to software engineering practices.
  • Prioritize technology investments to balance short- and long-term goals.
  • Collaborate with teams across Constellation to achieve goals, promote collaboration across teams for code reuse and knowledge sharing and mentor and develop other engineers.
  • Keep up to date with industry trends and apply to projects as appropriate. Identify investments needed to improve business/customer/partner experience through a data driven approach.
  • Provide coaching/ mentorship for IT personnel. Participate in career development and recognition activities. Promote diversity, equity, and inclusion and foster teamwork, collaboration, and a learning organization.
  • Architecting integrations for Generation portfolio application including Asset Suite 9
  • Experience in high-availability environments and regulated operational environments

MINIMUM QUALIFICATIONS

  • Bachelor's Degree in IT/Computer Science or Engineering and at least 8 - 10 years' experience in area of technical specialty; or an equivalent combination of education and work experience
  • 10+ years of IT application production support experience supporting multiple applications across portfolios in an operational environment servicing an enterprise level user base.
  • 10+ years of software design and development experience with backend and database services such as SQL or NoSQL databases - Oracle, SQL Server, Cosmos DB, MySQL, PostgreSQL, Redis, Splunk
  • 9-12 years of relevant hands-on experience in object programming languages such as: Python, Perl, C++, C#, Java, JavaScript, NodeJS, .NET, HTML, AngularJS, iOS Swift and/or Objective-C, Android Mobile, Xamarin, or Python
  • Experience in Azure cloud environments and containerization such as Kubernetes, OpenShift, Docker, etc.
  • Experience with migrating workloads from on-prem to cloud such as GCP
  • 3+ years architecting distributed systems.
  • Strong verbal and written communication skills in English with excellent interpersonal communication and collaboration skills.

PREFERRED QUALIFICATIONS

  • Ability to effectively share technical information, communicate technical issues and solutions to all levels of business
  • Able to juggle multiple projects - can identify primary and secondary objectives, prioritize time, and communicate timeline to team members
  • Ability and desire to take product/project ownership
  • Ability to work a flexible schedule based on department and Company needs
  • Ability to communicate technical details clearly across organizational boundaries.
  • Experience in DevOps to maintain live services and\or application frameworks.
  • Cloud and services experience, with Azure cloud experience highly desirable.
  • Appian PaaS experience
  • Experience with data lakes, data warehouses and data bricks
  • AI Integration
  • Excellent analytical skills with systematic and structured approach to software design.
  • Passion for building highly scalable, exceptionally reliable services.
  • Experience with or exposure to Agile Scrum, Kanban, and interactive development processes.

Other requirements
Degree

Experience
Unspecified

Security Clearance
Unspecified

Qualifications
Unspecified


 

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