BAE Systems, Inc. · 1 hour ago
Senior Principal Software Architect
Nashua, NH
Full-time
Hybrid
Senior Level, Lead/Staff
$127K/yr - $215K/yr
8+ years expBAE Systems, Inc. is a leading defense, aerospace and security company, and they are seeking a Senior Principal Software Architect to own the design, delivery, and sustainment of business-critical software solutions. The role involves managing the end-to-end product development lifecycle, ensuring architectural integrity, and leading the adoption of Agile and DevSecOps methodologies across multiple concurrent projects.
Defense & Space
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Own the end-to-end product development lifecycle for the business-critical software suite, from concept and design through release and sustainment
Provide the highest level of technical accountability, ensuring architectural integrity, performance, and security for every solution delivered
Define and champion a DevSecOps framework that delivers secure, repeatable, enterprise‑grade releases of the software suite
Lead the adoption and tailoring of Model‑Based Systems Engineering (MBSE) to improve requirements traceability and impact analysis
Anchor Agile practices to the software lifecycle, guaranteeing that sprint/cadence planning aligns with architectural roadmaps and product structure
Manage expectations and execution across multiple concurrent software projects using Agile and MBSE, delivering on‑time and on‑budget
Establish and enforce standards for secure coding, automated unit/integration testing, continuous testing, and code‑review processes
Create observability baselines – logging, metrics, tracing, and alerting – to guarantee production‑grade reliability and rapid incident resolution
Partner with development, operations, security, finance, quality, and product teams to translate business goals into technical solutions
Facilitate cross‑disciplinary workshops that surface improvement opportunities and drive consensus on architecture decisions
Design and oversee deployment strategies (containerization, cloud/on‑prem hybrid, blue‑green or canary releases) that ensure reliability, maintainability, and operational efficiency
Lead sustainment and lifecycle management, guaranteeing that systems remain secure, scalable, and cost‑effective throughout their operational life
Mentor and coach engineering teams, guiding architectural decisions, fostering technical excellence, and building a culture of continuous learning
Drive continuous improvement initiatives that enhance effectiveness, raise product quality, and reduce cost and schedule variance across the organization
Qualification
Required
8+ years of professional software-engineering experience, including at least 2 years in a senior architect or technical-lead role
Strong proficiency in one or more modern languages (Python, JavaScript/TypeScript, Go, C#, Java) and the ability to produce production-grade code
Extensive experience designing, building, and operating modern, software architectures—including micro-service-style systems, container-based deployments, and orchestration platforms that run on hybrid (cloud + on-prem) environments
Proven track record establishing DevSecOps pipelines and data-governance frameworks that enable trusted, repeatable, enterprise-scale releases
Demonstrated ability to lead cross-disciplinary, multi-project initiatives (engineering, ops, quality, finance, security) using Agile and Model-Based Systems Engineering (MBSE) to manage ambiguity and deliver on schedule
Proven experience with Git-based CI/CD platforms (GitLab, GitHub Enterprise, Azure DevOps, etc.) and automated security testing pipelines
Strong proficiency in modern programming languages (e.g., Python, JavaScript/TypeScript, C#) and the ability to rapidly prototype and production-harden code
History of delivering measurable business impact – cost savings, productivity gains, accelerated time-to-market, or improved product maturity
Experience operating in constrained, legacy-to-modern migration environments and navigating government security/compliance requirements
Strong systems-thinking and problem-solving stamina – able to tackle long-term, mission-critical challenges with creativity and persistence
Proven ability to build inclusive, high-performing teams where technical excellence coexists with work-life balance
Mentorship & technical leadership – regularly coach engineers, set architectural direction, and champion best-practice standards (secure coding, automated testing, monitoring, observability)
Active Secret clearance required
Preferred
SAFe (Agile) certification – SPC, RTE, or an equivalent credential
Hands-on experience implementing Model-Based Systems Engineering (MBSE) with tools such as Cameo, MagicDraw, or comparable platforms
Experience designing or integrating agent-based AI/ML solutions that augment autonomous decision-making
Solid understanding of RF/EM-spectrum concepts and a track record of integrating software with complex RF hardware systems
Experience collaborating with hardware engineering teams in production or test-bed environments
Benefits
Health, dental, and vision insurance
Health savings accounts
A 401(k) savings plan
Disability coverage
Life and accident insurance
Employee assistance program
A legal plan
Paid time off
Paid holidays
Paid parental
Military
Bereavement
Any applicable federal and state sick leave
Company recognition program
Company
BAE Systems, Inc.
Improving the future and protecting lives is an ambitious mission, but it’s what we do. BAE Systems, Inc. is the U.S.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Tom Arseneault
President & Chief Executive Officer, BAE Systems, Inc.
Don Widener, PhD
Chief Technology Officer, Intelligence Solutions
Recent News
2024-05-12
2024-05-12
2024-05-08
Company data provided by crunchbase