Principal Software Architect – Real-Time Defense Systems

Lockheed Martin; Littleton (CO); On-site; USD 205,000 - 381,000; Full time

Benefits offered by this job

Medical insurance

Dental

Vision

Flexible work arrangements

401(k) match

Paid time off

Holidays

Parental Leave

EAP

Education Assistance

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin Space is seeking a Principal Software Engineer to define and deliver advanced software architectures for the Theater Strike Weapon Systems portfolio. You will translate mission needs into implementable designs and guide technical decisions from concept through deployment, working with executives and multidisciplinary teams in a fast‑paced defense setting.

Responsibilities include leading across disciplines, mentoring senior engineers, and advising on risks, investments, and

Qualifications

• Own and deliver architecture through requirements, integration, and verification of operational systems.
• Apply deep technical expertise to evaluate cross‑disciplinary design choices in software‑intensive systems.
• Lead multidisciplinary teams to resolve complex technical and organizational challenges involving customers, suppliers, or partners.
• Translate engineering decisions into measurable outcomes for cost, schedule, risk, and customer value; brief executives and non‑specialist stakeholders with clear recommendations.

Responsibilities

• Lead across disciplines to mentor senior engineers and advise leadership on technical choices and delivery risks.
• Ensure rigorous, repeatable, and secure software development processes in a defense‑focused environment.
• Coordinate architecture and technology strategy with delivery plans and program value.
• Drive continuous improvement in real‑time, fault‑tolerant software architecture, CI/CD automation, and system‑level integration.

Skills

Architectural leadership

Cross‑disciplinary design

Program delivery guidance

Executive briefing

Job description

Lockheed Martin Space is seeking a Principal Software Engineer to define and deliver advanced software architectures for the Theater Strike Weapon Systems portfolio. You will translate mission needs into implementable designs and guide technical decisions from concept through deployment, working with executives and multidisciplinary teams in a fast‑paced defense setting.

Responsibilities include leading across disciplines, mentoring senior engineers, and advising on risks, investments, and