Systems Admin Sr

Job Description
Seeking a Senior Power Platform Developer to serve as a technical authority and hands-on builder within our enterprise Microsoft 365 environment. This role requires someone who can own the full development lifecycle of complex Power Apps and Power Automate solutions, architect REST API integrations, and help lead and govern our Power Platform Center of Excellence (CoE). The right candidate is equally comfortable writing intricate flow logic as they are advising stakeholders, mentoring peers, and enforcing platform governance at scale. Experience operating in classified or government environments is expected, and an active Top Secret clearance is required before start.


Required Education, Experience, & Skills
KEY RESPONSIBILITIES
Application Development
• Architect, design, and deliver complex Power Apps solutions spanning canvas apps, multi-screen enterprise applications, and component libraries supporting mission-critical operations across the organization.
• Build and maintain advanced Power Automate workflows featuring complex conditional logic, parallel execution paths, error handling, retry logic, and reusable child flows at enterprise scale.
• Design, develop, and consume REST APIs and custom connectors to integrate Power Platform solutions with external systems, Azure services, and third-party data sources using JSON, OData, and OAuth.
• Serve as the lead technical resource for complex integrations involving SharePoint, Dataverse, SQL/Azure DB, Microsoft Graph API, and other enterprise data connectors.
Center of Excellence & Governance
• Lead and support the Power Platform Center of Excellence (CoE) establishing and enforcing DLP policies, environment strategy, ALM practices, solution packaging, and governance frameworks across Dev/Test/Prod environments.
• Conduct solution reviews, code walkthroughs, and architecture assessments to ensure platform solutions meet security, compliance, and performance standards before moving to production.
• Drive adoption of reusable solution patterns, shared component libraries, and documented development standards to reduce duplication and improve delivery velocity across the team.
• Monitor platform health, automation reliability, and capacity utilization; proactively identify and resolve performance bottlenecks before they impact operations.
Collaboration & Enablement
• Partner with stakeholders, business analysts, and project managers to translate mission requirements into scalable, production-ready Power Platform solutions.
• Mentor and guide junior and mid-level developers through code reviews, pair development sessions, and knowledge-sharing — acting as the team’s go-to technical resource.
• Author and maintain technical documentation, SOPs, solution design records, and governance artifacts to ensure long-term platform sustainability and audit readiness.
• Experience with PowerShell scripting in an M365/enterprise environment, including SharePoint Online administration (PnP PowerShell), Power Platform automation via the Power Apps and Power Automate admin modules, and Exchange Online management through the ExchangeOnlineManagement module (Exchange is nice to have).
• Nice to have: Develop and support Power Pages portals for external-facing web experiences and citizen engagement use cases.
• Nice to have: Design and develop Model-Driven Apps leveraging Dataverse tables, business rules, relationships, and security roles for structured, data-heavy use cases.

MUST-HAVE REQUIREMENTS

• Active Top Secret clearance
• 6 years of hands-on PowerApps and Power Automate development in an enterprise government setting
• Proven ability to build and consume REST APIs and custom connectors within the Power Platform
• Demonstrated experience architecting complex, multi-system workflows with advanced error handling and logic
• Experience contributing to or leading a Power Platform Center of Excellence (CoE)

Pay Information
Full-Time Salary Range: $97008 - $164914

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Intelligence & Security
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Salary : $97,008 - $164,914