Sr. Manager IT, Enterprise Architecture - Corporate

Constellation; Kennett Square (Chester County); On-site; USD 175,000 - 194,000; Full time

Job summary

Constellation seeks an experienced Senior Manager, Platform Architecture to lead the design, development, and evolution of IT platforms powering energy operations. The role requires hands-on architectural leadership, scalability, security, and performance focus across core systems.

The ideal candidate will define architectural roadmaps, mentor teams, and drive modern patterns such as microservices and cloud-native solutions while collaborating with product, security, and operations.

Qualifications

• Bachelor’s degree in a technical discipline.
• 10+ years in IT architecture and platform design.
• 3+ years of leadership experience.
• Experience designing scalable, secure enterprise IT platforms.
• Knowledge of microservices, serverless, API-first architectures.

Responsibilities

• Define architectural principles and standards across IT platforms.
• Develop a long-term platform architecture roadmap.
• Lead scalable, secure, and performant platform solutions.
• Drive adoption of microservices and cloud-native patterns.
• Conduct architectural reviews and provide guidance to teams.
• Collaborate with product, engineering, operations, and cybersecurity teams.
• Stay informed on emerging tech trends and industry developments.

Skills

Platform architecture

Leadership

Microservices

Cloud-native

Enterprise IT

Education

Bachelor’s degree in Computer Science / Engineering

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.

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 $174,600 to $194,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose Of Position

We are seeking an experienced and visionary Senior Manager, Platform Architecture, to lead the strategic design, development, and evolution of our critical IT platforms. This role will be instrumental in defining our architectural roadmap, ensuring scalability, reliability, security, and performance of our core systems that power our energy operations. The ideal candidate is a hands-on technical leader with a strong architectural background, proven leadership skills, and a passion for driving innovation in a dynamic energy IT landscape.

Primary Duties And Accountabilities

• Define, evangelize, and govern the architectural principles, standards, and best practices across IT platforms.
• Develop and maintain the long-term platform architecture roadmap, aligning it with business objectives, technology trends, and industry standards within the energy sector.
• Lead the design and implementation of highly scalable, resilient, secure, and performant platform solutions.
• Drive the adoption of modern architectural patterns (e.g. microservices, event-driven architectures, cloud-native) and relevant technologies.
• Conduct architectural reviews, provide technical guidance, and ensure adherence to architectural standards across development teams.
• Evaluate and recommend new technologies and tools that enhance platform capabilities and efficiency.
• Proactively identify architectural risks and technical debt, proposing and implementing mitigation strategies.
• Collaborate closely with product management, engineering, operations, and cybersecurity teams to translate business requirements into robust architectural designs.
• Act as a technical subject matter expert, providing hands‑on architectural guidance and problem‑solving for complex technical challenges.
• Oversee the implementation of architectural designs, ensuring alignment with defined standards and quality.
• Stay abreast of emerging technologies, industry trends, and competitive landscape, especially within the energy and IT domains.
• Champion innovation and research into new architectural approaches and technologies that can benefit the organization.

Minimum Qualifications

• Bachelor's degree in technical discipline (Computer Science, Computer Science Engineer, Engineering Technology, etc)
• Minimum of 10 years of progressive experience in IT architecture and technology-heavy roles, with a significant focus on platform design and development.
• 3 years of demonstrated leadership experience, either through direct people management or by leading large-scale technical projects involving cross-functional teams and senior-level stakeholders.
• Analytical and problem resolution skills, adaptability to change and strong initiative
• Deep expertise in designing and building scalable, reliable, and secure enterprise-grade IT platforms.
• Strong understanding of architectural patterns (e.g., microservices, serverless, event-driven, API-first).

Preferred Qualifications

• Bachelor's degree in Information Systems, Computer Science, Engineering, or a related technical field; Master's degree or MBA preferred.
• Experience defining and executing enterprise architecture strategies for large-scale corporate application portfolios across areas such as HR, Legal, Finance, Cyber Security, Audit, Supply, and enterprise shared services.
• Experience developing target-state architectures, technology roadmaps, application rationalization strategies, and platform modernization plans that drive business value and operational efficiency.
• Deep understanding of enterprise integrations, cloud-based SaaS solutions, data architecture, cybersecurity, identity and access management, and architecture governance frameworks.
• Experience leading large-scale enterprise transformations, platform consolidations, mergers and acquisitions integrations, or modernization initiatives.
• Working knowledge of enterprise architecture frameworks such as TOGAF, Gartner EA Framework, or similar frameworks.
• Experience partnering with strategic vendors and solution architects to co-develop executable technology roadmaps and provide vendor-neutral guidance for RFI and RFP processes.
• Familiarity with enterprise SaaS and ERP ecosystems such as Oracle Financials, Coupa, ServiceNow, LMS platforms, HR systems, and physical security tools.
• Advanced communication, interpersonal, and presentation skills, including the ability to translate complex technical topics into concise business impacts, options, risks, recommendations, and decisions for senior leaders.
• Ability to strategically lead during periods of ambiguity and change while balancing multiple priorities, delivery needs, risk, cost, and operational realities.