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Software Engineer 3 (Monitoring Capabilities) with Security Clearance

Cornerstone DefenseAnnapolis, MD🇺🇸United StatesPosted Oct 11, 2026

Why This Role Stands Out

Leverage your expertise in monitoring capabilities at Cornerstone Defense, an employer of choice in the intelligence community, with a competitive salary of $190-210K and a hybrid work model. This mid-senior role offers significant growth potential and the chance to solve complex national security challenges, making it ideal for experienced software engineers with an active TS/SCI w/ Polygraph clearance who thrive in a supportive and mission-driven environment. Apply today to contribute to cutting-edge solutions and advance your career.

Quick Overview

Salary
$190k - $210k/yr
Seniority
Mid Senior
Work mode
Hybrid
Location
Annapolis, MD, United States
Posted
1 week ago
DockerMongoDBSplunkAnsibleBashConfluenceGitGitLab CIGrafanaJavaJiraKafkaPrometheusPython

Job Description

Title: Software Engineer 3 (Monitoring Capabilities) Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply

  • Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S.

Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans

  • Generous PTO Policy
  • 401(k)
  • HSA and FSA options
  • Life and Disability Insurance
  • Tuition Reimbursement and Training
  • Perks at Work Discount Program
  • Referral Program
  • Leads Generation Program
  • CollegeAmerica 529
  • Fitness Reimbursement Program
  • Travel Assistance
  • Norton Lifelock Benefit Solutions
  • Life Planning Financial && Legal Services
  • Summary: The Software Engineer shall be responsible for developing rapid experimental prototypes of particular capabilities associated with the improvement and modernization of metrics and monitoring capabilities within the Y33 organization. Tasking shall also include demonstrations to validate concepts and to prove operational capability and scalability.

Qualifications: Master's degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR Bachelor's degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills

  • Experience using the Linux CLI
  • Experience developing scripts using Bash/Python
  • Experience developing with Java in a Linux environment
  • Experience with software frameworks used for searching, monitoring, and analyzing big data such as Splunk, and Elastic Stack
  • Experience with monitoring and alerting tools including Prometheus
  • Experience with data visualization and analytics tools including Grafana
  • Experience developing with messaging frameworks including Kafka
  • Experience with noSQL technologies such as Elasticsearch and MongoDB
  • Experience with Key/Value and Time-series databases such as OpenTSDB
  • Experience with IaC (Infrastructure as Code) principles and automation tools including Ansible
  • Experience with CI/CD concepts, principles, methodologies, and tools such as GitLab CI
  • Experience with Git Version Contr ol System Desired Skills:
  • Experience with the Atlassian Tool Suite (JIRA, Confluence)
  • Experience with containerization technologies such as Docker

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