Software Engineer 3

Ultra Maritime, EMS
paid time off, 401(k)
United States, Texas, Austin
Dec 08, 2025
Company: Ultra Intelligence & Communications Command, Control, Intelligence & Encryption (C2I&E) Powering Decision Join the team redefining defense technology. From engineering systems that save lives to leading programs that change the battlefield-find your place in the future of defense. Mission Solutions By joining our Mission Solutions business, you will be a member of a team dedicated to providing innovative solutions that streamline the preparation and execution of intricate, mission-critical operations. We focus on enhancing situational awareness, tactical command and control, and seamless video data exchange capabilities within a dynamic, multi-domain environment. Job Description We are seeking an experienced Software Engineer 3 with deep expertise in C/C++ to help drive the next generation of our industry-leading Command, Control and Intelligence (C2I) product line. You will work hands-on with a large C++ codebase that has evolved to operate within a modern, containerized ecosystem. You will join the Product Innovation department in the development and modernization of our C2I applications deployed operationally around the world. This is an exceptional opportunity for engineers who enjoy tackling complex, large-scale software systems and shaping future architecture in a mission-critical environment. If you are energized by deep technical challenges and meaningful national-security work, this role is for you. Responsibilities Design, develop, and modernize major components within a large, long-lived C++ codebase. Work across an environment of modern cloud/container platforms (Docker/Podman/Kubernetes). Lead or support architecture decisions, refactoring initiatives, performance improvements, and code modernization efforts. Diagnose and resolve complex, system-level issues, including multi-threaded behavior, memory management, and real-time processing. Contribute to containerization strategies, CI/CD enhancements, and runtime optimization of large applications. Provide technical mentorship to mid- and junior-level engineers. Apply and advocate for best practices in coding, design, testing, reliability, and performance. Required Skills & Qualifications 6+ years of professional software development experience (or equivalent contributions). Expert-level proficiency in C and C++, including memory management, multi-threading, performance optimization, and debugging. Experience developing and running applications in containers (Podman/Docker) Proficiency with Git, including merging, rebasing, branching strategies, merge requests/pull requests, and collaborative code review. Strong background in Linux (development, debugging, shells, build systems). U.S. Citizenship and ability to obtain a security clearance. Desired Skills & Qualifications Experience in Defense, Aerospace, Air & Missile Defense, or other real-time/multi-sensor systems. Hands-on experience with: Multi-container orchestration: Docker or Podman Compose Container platforms: Kubernetes, OpenShift, Rancher, or similar Build systems: CMake, Make, Ninja CI/CD pipelines: Jenkins, GitLab CI, GitHub Actions Strong understanding of: Object-oriented design and modern C++ paradigms Algorithm design and data structures Distributed systems, networking, or real-time processing Experience working with large, complex codebases (hundreds of thousands to millions of lines). Experience with software security practices, including, CVE remediation, dependency analysis, and secure coding principles. Bachelor's degree in Computer Science, Software Engineering, or related Science, Technology, Engineering, or Mathematics (STEM) field. Demonstrated ability to lead technical efforts and guide small development teams. #IC #LI-Hybrid #LI-JK1 Notice Due to the nature of the programs we deliver for our customers, candidates may need to obtain the relevant security clearance or handle export-controlled material as defined by the role's requirements. Our Benefits Every employee is critical to our success, and as such, we offer a range of flexible employee benefits, including: Annual Bonus - Annual Bonus - Performance Related Competitive Paid Time Off (PTO) package plus 11 company holidays Early finish on Friday 401K w/ company match Medical/Dental/Vision Benefits Student Loan Assistance Program Array of voluntary benefit offerings Ultra I&C is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or other legally protected state or federal classes. We provide affirmative action in employment for qualified individuals with disabilities and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. If you need an accommodation in any part of the application process, email careers@ultra-ic.com."