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Software Engineer

KBR

Software Engineer

full-timePosted: Sep 1, 2026Updated: Sep 3, 2026Massachusetts, Lexington

Job Description

Title:Software EngineerBelong. Connect. Grow. with KBR!KBR provides innovative and cost-effective services and solutions to national security and industry customers. We are leading the way for national security and commercial space integration, developing innovative solutions to tomorrow's challenges today. This position supports the Strategic and Long-Range Communications Group at MIT Lincoln Laboratory.We are seeking a Software Engineer to contribute to the design, development, implementation, and testing of software for a series of large-scale communications system demonstrations. Work will be performed in a disciplined collaborative environment, employing modern programming practices. Hybrid and remote positions are possible for this position. These services shall be provided in support of several Laboratory and Government test sites.Why Join Us?Innovative Projects: Enable critically important communications over vast distances by being the team member to innovate and overcome technical challenges as we spearhead new solutions through advanced prototyping.Collaborative Environment: Come join a team of enthusiastic engineers engaged in creating the next generation of cutting-edge laser communication systems technology.Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense and/or defense.Key Responsibilities:Software architecture definitionSystem software design and implementation (primarily in C++). This will include protocol and state machine design alongside system designers to translate prototype simulations into real-time codeCollaboration with a multidisciplinary team to design and prototype communications-based softwareIntegration, test design, and support from lab and field experimentsAid in preparing technical documentation for software architectures and code, including technical specifications, reports, and technical presentations for multiple internal and external audiencesWork Environment:Location: On-site with the possibility of a remote arrangementTravel Requirements: Willing and able to travel (up to 10%, typically CONUS)Working Hours: StandardRequired Qualifications:Active DoD Secret clearanceM.S. in Software Engineering, Computer Science (or related field) with a strong background in real-time code development and code profiling. In lieu of an M.S. a B. Sci with 6+ years of directly relevant experience is acceptableAt least 5 years of C++/C++11 experienceAt least 5 years of Java/Java Script experienceAt least 5 years of Source Control (Git/SVN/Clearcase/etc.) experienceAt least 5 years of object-oriented developmentAt least 5 years of software modelling and the Unified Modelling Language (UML) experienceA minimum of 5 years of experience in software deployment and a knowledge of modern software deployment techniquesA minimum of 5 years of experience in software DevSecOpsA minimum of 5 years of experience with software algorithm development and performance improvementsA minimum of 5 years of experience with design patterns and data structuresA minimum of 5 years of experience with distributed systems and inter process communication (UDP/TCP/ActiveMQ/etc.)A minimum of 5 years of experience with the Linux development environment and/or commercial real-time operating systemsA minimum of 5 years of experience with hardware abstraction layersA minimum of 5 years of experience with software lifecycle processesHighly effective written and verbal communication skills especially applied to writing technical documentsDemonstrated ability to work effectively in multi-disciplinary teamsDesired Qualifications:A minimum of 2-3 years’ experience with digital signal processing and implementation of protocols and methods into softwareFamiliarity with software-defined radio protocols, design, and implementationsFamiliarity with physical layer, MAC layer, and network layer communication protocolsProficiency in PythonDemonstrate familiarity with MATLABDemonstrated ability to plan and manage tasks and projects (e.g. using Microsoft Project)Basic Compensation:For MA only, the salary range is approximately $156,400 - $180,000​ USD annually. The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.Ready to Make a Difference?If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Locations

  • Massachusetts, Lexington

Salary

156,400 - 180,000 USD / yearly

Skills Required

  • real-time code developmentintermediate
  • software deploymentintermediate
  • modern software deployment techniquesintermediate
  • software DevSecOpsintermediate
  • software algorithm developmentintermediate
  • design patternsintermediate
  • distributed systemsintermediate
  • hardware abstraction layersintermediate
  • software lifecycle processesintermediate
  • digital signal processingintermediate
  • software-defined radio protocolsintermediate
  • physical layerintermediate
  • Pythonintermediate
  • MATLABintermediate

Required Qualifications

  • Active DoD Secret clearance (experience)
  • M.S. in Software Engineering, Computer Science (or related field) with a strong background in real-time code development and code profiling. In lieu of an M.S. a B. Sci with 6+ years of directly relevant experience is acceptable (experience, 6 years)
  • At least 5 years of C++/C++11 experience (experience, 5 years)
  • At least 5 years of Java/Java Script experience (experience, 5 years)
  • At least 5 years of Source Control (Git/SVN/Clearcase/etc.) experience (experience, 5 years)
  • At least 5 years of object-oriented development (experience, 5 years)
  • At least 5 years of software modelling and the Unified Modelling Language (UML) experience (experience, 5 years)
  • A minimum of 5 years of experience in software deployment and a knowledge of modern software deployment techniques (experience, 5 years)
  • A minimum of 5 years of experience in software DevSecOps (experience, 5 years)
  • A minimum of 5 years of experience with software algorithm development and performance improvements (experience, 5 years)
  • A minimum of 5 years of experience with design patterns and data structures (experience, 5 years)
  • A minimum of 5 years of experience with distributed systems and inter process communication (UDP/TCP/ActiveMQ/etc.) (experience, 5 years)
  • A minimum of 5 years of experience with the Linux development environment and/or commercial real-time operating systems (experience, 5 years)
  • A minimum of 5 years of experience with hardware abstraction layers (experience, 5 years)
  • A minimum of 5 years of experience with software lifecycle processes (experience, 5 years)
  • Highly effective written and verbal communication skills especially applied to writing technical documents (experience)
  • Demonstrated ability to work effectively in multi-disciplinary teams (experience)
  • A minimum of 2-3 years’ experience with digital signal processing and implementation of protocols and methods into software (experience, 3 years)
  • Familiarity with software-defined radio protocols, design, and implementations (experience)
  • Familiarity with physical layer, MAC layer, and network layer communication protocols (experience)
  • Proficiency in Python (experience)
  • Demonstrate familiarity with MATLAB (experience)
  • Demonstrated ability to plan and manage tasks and projects (e.g. using Microsoft Project) (experience)
  • Basic Compensation:For MA only, the salary range is approximately $156,400 - $180,000​ USD annually. The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity. (experience)
  • Ready to Make a Difference?If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together. (experience)
  • Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. (experience)

Responsibilities

  • Software architecture definition
  • System software design and implementation (primarily in C++). This will include protocol and state machine design alongside system designers to translate prototype simulations into real-time code
  • Collaboration with a multidisciplinary team to design and prototype communications-based software
  • Integration, test design, and support from lab and field experiments
  • Aid in preparing technical documentation for software architectures and code, including technical specifications, reports, and technical presentations for multiple internal and external audiences

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