This position carries responsibility for an assigned program portfolio. You will lead across disciplines, mentor senior engineers, and advise program leadership and executives on technical choices, delivery risks, and future capability investments. Leveraging deep expertise in real-time, fault-tolerant software architecture, CI/CD automation, and system-level integration, you will ensure rigorous, repeatable, and secure software development processes that meet stringent performance, safety, and schedule requirements within a fast-paced, defense-focused development environment.

Lockheed Martin Space is seeking a full-time Principal Software Engineer with a strong systems-architecture and software-leadership background to define, drive, and deliver advanced software architectures for the TSWS (Theater Strike Weapon Systems) Portfolio of programs. In this senior technical leadership role, you will translate customer mission needs into implementable designs, resolve complex integration challenges, and guide technical decisions from concept through deployment and sustainment. Working alongside the Chief Engineer, program management, and multidisciplinary engineering teams, you will connect architecture and technology strategy to achievable delivery plans and measurable program value., * 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

Desired Skills

• Senior leadership experience as a principal engineer, lead architect, deputy chief engineer, or technical lead for complex defense programs or product portfolios

• Expertise in MBSE (Cameo/SysML), architecture governance, product-line reuse, and Agile/DevSecOps/embedded-distributed software delivery

• Experience supporting technical proposals, R&D investments, technology maturation, supplier oversight, and earned value management (EVM)

• Domain knowledge in mission-critical systems (avionics, communications, autonomy, sensors) with familiarity into applicable safety and certification standards

Proficient in AI prompting as it applies to this position and practice

LMSpaceSoftwareEng

Full-Time Salary Range: $205300.00 - $381300.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.