Software Engineer Sr (Secret Clearance)

Reference: 732788BRPosted: 2026-06-18Location: Colorado Springs, COSalary: $93,200 - $164,450Clearance: SecretCompany: Lockheed MartinDescription:WHAT WE'RE DOINGOur team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies.THE WORKLockheed Martin is seeking a software engineer that will thrive in a fast paced team environment in the design, development, and testing of software applications. Under minimal direction, provides specialized expertise within multiple systems, software disciplines, as well as general knowledge of related disciplines, applications implications, and customer areas. Common responsibilities of a software engineer on the agile development teams include:• Design and develop new Java applications; Maintain existing Java applications• Support software testing and resolution of issues from multiple baselines• Perform in-depth analysis and technical support of systems software products, including complex problem resolution• Works from system specifications to develop or modify operating systems applications• Assist with design, coding, benchmark testing, debugging and documentation of programs• Interface with other system support groups• Generate software design artifacts and support design and code reviewsPlease Note:-This position requires a government security clearance; you must be a U.S. Citizen for consideration. -The role will involve approximately 10% travel to customer sites throughout the U.S.WHY JOIN US• Excellent benefits and amenities.• Ongoing career development and support.• Rewards and recognition for your hard work.• Medical and dental coverage.• 401k retirement savings plan.• Paid time off for work/life balance.• Mentorship opportunitiesBasic Qualifications:• A final secret clearance is required for consideration• Bachelor's Degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Applied Mathematics, Physics or related technical field• Demonstrated proficiency with at least one modern software language such as C++, C, C#, and/or Java (Preferably C++)• Experience with Red Hat Enterprise Linux (RHEL)• Knowledge/experience in a Version Control System (Git)• Software development on a Linux environmentDesired Skills:• Experience with one or more of the following: Python, JavaScript, HTML• Strong analytical/problem solving abilities; effective communication for cross team coordination; Experience with JIRA and Confluence• Automation with Ansible• Containerization Experience • Microservice Experience• Software design/architecture experience• Hardware/software integration and test experience• Security+ Certification• Experience in design and development of software applications.• Experience in developing new capabilities into a legacy SW system.• Experience in SW analysis against performance requirements.• Experience in optimizing software applications for performance.• Experience in development of complex mathematical algorithms from whitepapers or algorithm design documentation.• Experience resolving cyber/security issues identified by Fortify/SonarQube/etc.• Experience using Eclipse to develop software applications.• Experience using Maven/Gradle or other SW build tools.• Experience using automated unit testing frameworks.• Security+ or equivalent certification may be required within 60 days of startingSecurity Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: SecretOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 4x10 hour day, 3 days off per weekPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $93,200 - $164,450. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information 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 and business considerations when extending an offer.Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (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.This position is incentive plan eligible.Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.Join us at Lockheed Martin, where your mission is ours. Our customers tackle the hardest missions. Those that demand extraordinary amounts of courage, resilience and precision. They’re dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about.As a leading technology innovation company, Lockheed Martin’s vast team works with partners around the world to bring proven performance to our customers’ toughest challenges. Lockheed Martin has employees based in many states throughout the U.S., and Internationally, with business locations in many nations and territories.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: PossibleCareer Area: Software EngineeringType: Task Order/IDIQShift: First