Software Engineer (Senior-Level)
Last confirmed open Oct 26, 2026
Open since Dec 11, 2025. Postings open this long are often standing requisitions.
Before you apply
- Secret clearance
- The posting doesn't say whether you need it active to start.
- Bachelor's degree
- The lowest degree the posting accepts.
Penta is seeking a highly‑motivated Software Engineer to join our (Modeling and Simulation Contract - Framework and Tools) MASC-F Objective Simulation Framework (OSF) development team. The candidate will design, develop, test, and field C++, Java (Spring Boot), and TypeScript + React software to support mission‑critical missile‑defense systems operating in cloud, on-prem, and hybrid test environments.
This is a Senior-Level Development role position that requires strong technical depth, proven delivery in an Agile environment, and the ability to work directly with government stakeholders.
Basic Requirements: Bachelor’s degree from an accredited college in a related discipline, with 14 years or more of professional experience; or 12 years of professional experience with a related Master’s degree; or 9 years of professional experience with a related PhD
Clearance Level: Secret
Support Location: On sight at Lockheed Martin in Huntsville, AL
In this role, your responsibilities include:
- Software Development
- Write high‑performance, secure code in C++, Java, and Java Spring Boot
- Build responsive front‑ends using TypeScript + React
- Triage defects, produce root‑cause analysis, and drive fixes
- Testing & Quality
- Author unit tests (GoogleTest, JUnit, Jest) and integration tests
- Participate in coding peer reviews
- Containerization
- Containerize applications with Docker
- Agile Development
- Operate in an agile team with other developers, product owners and SCRUM masters
Break down features into stories, and deliver on time
Lead and agile team or operate as a software Subject Matter Expert (SME)
- Mentorship
- Coach junior engineers on coding standards, Git workflows, container security, and test‑driven development
Desired Skills Include:
- Familiar with Scaled Agile Framework
- Multi-core and multi-threaded programming
- Experience programming network connections (protocol buffers, message brokers, UDP and TCP/IP interfaces)
- Jira - issue tracking and agile project management, or similar tool
- Cloud and Container Orchestration with Helm and Terraform
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