> Markdown version of [/jobs/ext/4523371-software-application-support-systems-engineer-advisor-ts-sci-w-poly](https://www.wearedevelopers.com/jobs/ext/4523371-software-application-support-systems-engineer-advisor-ts-sci-w-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Application Support Systems Engineer Advisor - TS/SCI w/poly - **Company:** Peraton Inc - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $146,000.0 - $234,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Amazon Elastic Compute Cloud, Apache HTTP Server, Apache Tomcat, Software Applications, Systems Engineering, Confluence, JIRA, Challenge-Handshake Authentication Protocol, Information Systems, Databases, Linux, Elasticsearch, Data Flow Control, Web Servers, Internet Information Services (IIS), Linux Commands, MongoDB, Software Engineering, Web Applications, Software Troubleshooting, Information Technology, Atlassian Tools, Apache Nifi, Docker - **Published:** November 2, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/87253371/1 ## About the Role Active TS/SCI clearance with current polygraph required * Ten (10) years' experience as a SE in programs and contracts of similar scope, type and complexity is required. Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor's degree. Highly Desired Qualifications * Experience maintaining, configuring and supporting complex software applications * Experience with Linux command line and Systems Administration support * Ability to maintain a comprehensive knowledge base of common issues, technical documents, and user guides * Experience with technologies such as; Docker, MongoDB, Mongo Compass, ElasticSearch, AWS and ContainerYard * Ability to proactively monitor application performance, system health checks, and database status to ensure maximum uptime * Ability to troubleshoot and analyze software issues, evaluate error logs, identify root causes * Experience working with Atlassian tools, Jira, Confluence * Familiarity with web application architectures, web servers (e.g., Apache, Tomcat, IIS), and APIs. * Familiarity with Apache NiFi, Dataflow and Mission data formats * Excellent communication skills with the ability to perform independently * Strong sense of ownership to drive issues to resolution while maintaining high customer satisfaction ## Description We are seeking a knowledgeable and customer-oriented Software Application Support Systems Engineer to join our team. In this role you will provide Operational Support and be responsible for ensuring the stability and optimal performance of our software applications. You will act as a point of contact for technical issues, troubleshooting software errors, providing user support, and collaborating with our engineering team to implement fixes. This will require the ability to start, stop and diagnose services running in Linux. Some software includes Apache NiFi, Datarunner, MongoDB, ElasticSearch, AWS EC2 instances, CHAP. You will provide after-hour "on-call" support as needed.