Software Integration Engineer Sr

Lockheed Martin; Manassas (VA); On-site; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible work arrangements

Job summary

Lockheed Martin Rotary & Mission Systems in Manassas, VA seeks a Software Developer to design, write, test and integrate defensive security applications on a Red Hat Enterprise Linux platform, supporting Navy programs. The role includes developing security features, modifying platform architectures, and ensuring robust defense in runtime environments.

The position emphasizes architectural design, system-level mitigations, and evaluating third‑party software for integration, with work at a

Qualifications

• 4+ years experience as Systems/Platform Engineer working on Linux security.
• Bachelor's degree in CS/CE/SE or equivalent.

Responsibilities

• Design, write, test, and integrate defensive security applications on Red Hat Enterprise Linux (RHEL).
• Architectural design and system-level mitigation across platform environments.
• Evaluate third-party software for platform integration compatibility when required.
• Work on defense-focused development for Navy programs and security-focused design reviews.

Skills

Networking

Communication

Leadership

Troubleshooting

Education

Bachelor's degree in CS/CE/SE

Job description

Standard Job Description

Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated professionals who are passionate about pushing the boundaries of what's possible.

What We’re Doing

At Lockheed Martin, we're at the forefront of cutting-edge technology and innovation. Our campus in Manassas, Virginia is a hub for engineering excellence, where we tackle some of the world's most challenging engineering problems. We pride ourselves on our culture of creativity, excellence, and product innovation.

The Work

Lockheed Martin Rotary & Mission Systems is seeking a Software Developer. In this role, you will perform tasks supporting Navy programs. The successful candidate will be responsible for designing, writing, testing, and integrating defensive security applications and custom configurations into a Red Hat Enterprise Linux (RHEL) platform environment. The engineer will divide their time between creating new security-focused applications, modifying existing platform architectures, and integrating robust software defenses directly into RHEL systems and custom runtime environments. This is an active engineering and development role focused on architectural design and system-level mitigation. While the primary focus is on engineering and development, the role involves evaluating third-party software for platform integration compatibility when required. This position is located at a facility that requires special access. The selected candidate will be required to hold an active government Secret security clearance.

Why Join Us

Your Health, Your Wealth, Your Life

Joining Lockheed Martin Means Becoming Part Of a Team That's Making a Significant Impact In The Field Of Engineering. When You Choose To Work With Us, You'll Enjoy

• An excellent working environment equipped with state-of-the-art tools.
• The opportunity to work alongside industry leaders and top-notch professionals.
• A chance to be a part of solving some of the world's most challenging engineering problems.
• A culture that encourages creativity, excellence, and the development of remarkable products.

Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.

Learn more about Lockheed Martin’s competitive and comprehensive benefits package.

Basic Qualifications

• Required Technical Experience
  • RHEL Platforms: Advanced engineering experience working natively inside Red Hat Enterprise Linux (RHEL) environments to modify, configure, and build platform components.
  • Systems Integration & Testing: Proven experience designing integration pathways for software and validating platform changes using structured testing methodologies.
  • Application Development: Demonstrated experience writing new applications, scripts, or utilities to augment a platform environment.
  • Native OS Defense: Strong proficiency with native RHEL defense components, network layers (e.g., firewalld, nftables), and application sandboxing.

Education & Experience Requirements

• Years of Experience: Minimum of 4+ years of professional experience as a Systems Engineer, Application Engineer, or Platform Developer working directly on Linux security solutions.
• Education: Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, or equivalent practical product-engineering experience.

Desired Skills

• Strong background in networking, switches, and routers
• Strong written and verbal communication for cross‑functional team
• Desire to lead and a track record of mentoring junior engineers or leading security‑focused design reviews
• Desire to integrate and troubleshoot complex software systems

Interview Questions

Teamwork: Tell me about a team project that you have worked on at school/work. What was the project, what was your role in the team? How did it turn out?

Software Development: Tell me about your past experience in software design.

Technical Acumen: Tell me about any past experience with technical troubleshooting that you have acquired in previous project(s).

What are your top strengths? Include demonstrated skills and key experiences.

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

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.