Web Developer - SWE 0 with Security Clearance

Title: Web Developer Location: Annapolis Junction, Maryland Clearance: TS/SCI w/ Polygraph Pay Range: 125 -140K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of satellite, launch, and cyber technologies. Cornerstone's Cyber Sector develops and supports solutions for computer network operations, including exploitation, defense, signals intelligence, and information technology missions.

Supported organizations include the National Security Agency, the Defense Information Systems Agency (DISA), Aberdeen Proving Ground, the Federal Bureau of Investigation, and several commercial entities. You will join a small, hardworking development team building and supporting enterprise web-based services deployed in AWS. This is an entry-level role with close mentorship, clearly scoped tasks, and an emphasis on learning good engineering habits.

Requirements: No demonstrated experience is required. Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of SWE experience on projects with similar software processes may be substituted for a bachelors degree. Compliance with DOD 8570.01 with a minimum certification of IAM Level I. (CAP, GSLC, Security +) Responsibilities:

• Implement well-defined features and bug fixes with guidance (tickets, acceptance criteria, and code review support).
• Learn the team's codebase, development workflow, and deployment process while contributing to an enterprise web services platform.
• Assist with maintaining and troubleshooting web applications in AWS (monitoring basic health, reviewing logs, and escalating issues when needed). Required skills: Professional work, academic, or personal-project experience (samples will be required for academic and personal projects) with one or more of the following:
• PHP - Net C# - Java - Node.js - Python - HTML - CSS - JavaScript - Vue.js - React
• Comfort working in Linux environments (basic command line, files, permissions), or willingness to learn quickly. Desired skills:
• Exposure to relational databases (MariaDB, MS SQL, MySQL, or Oracle) and basic SQL concepts.
• Exposure to web servers/app servers such as Nginx, Apache, and/or Tomcat.
• Interest in troubleshooting and debugging (ability to reproduce issues, read logs, and ask good questions).
• Ability to work on a team, accepting feedback, and communicating status clearly.
• Self-motivated learner who can follow documentation and complete assigned tasks with support.
• Professional communication skills (written and verbal).
• Strong desire to learn and grow as a software engineer through mentorship and code reviews.
• Exposure to AWS or Azure concepts (e.g., compute, storage, networking) is a plus.
• Exposure to scripting (PowerShell and/or Python) is helpful.
• Interest in working in an Agile environment (standups, sprint planning, retrospectives).