> Markdown version of [/jobs/ext/1086085-senior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/1086085-senior-systems-engineer). 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). --- # Senior Systems Engineer - **Company:** Seneca Resources - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Salary:** $145,600.0 - $166,400.0 - **Contract:** Contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Systems Engineering, Microsoft Azure, Bash Shell, Cloud Computing, Databases, Software Debugging, DevOps, Distributed Systems, Monitoring of Systems, Python (Programming Language), Ansible, Prometheus, Web Applications, Data Logging, Scripting, Grafana, Software Troubleshooting, Reliability of Systems, Backend, Containerization, Kubernetes, Front End Software Development, 3-tier Architectures, Splunk, Elk Stack - **Published:** June 11, 2026 - **Apply:** https://public-rest40.bullhornstaffing.com/rest-services/R0SYP/query/JobBoardPost?where=id=47164&fields=id,title,publishedCategory(id,name),address(city,state),employmentType,dateLastPublished,publicDescription,isOpen,isPublic,isDeleted ## About the Role In this role, you will ensure the stability, performance, and reliability of enterprise web applications running in a containerized (Kubernetes) and distributed environment. This position is ideal for a senior engineer who excels in deep technical troubleshooting, incident response, and cross-functional collaboration with DevOps and engineering teams., * 7+ years of experience in Systems Engineering, Application Engineering, or similar role * Strong experience supporting complex web applications (full stack: frontend, backend, APIs, databases) * Proven experience in Tier 3/Tier 4 incident escalation and resolution * Hands-on experience with Kubernetes or containerized environments * Experience with monitoring/logging tools (Splunk, Grafana, ELK, etc.) * Strong troubleshooting, debugging, and analytical skills * Ability to work effectively in high-pressure, mission-critical environments * U.S. Citizenship required (must be eligible for interim clearance) Nice to Have * Cloud experience (AWS, Azure, or GCP) * Kubernetes certifications (CKA, CKAD) * Scripting/automation experience (Python, Bash, Ansible) * Experience in government or highly regulated environments * Familiarity with CI/CD pipelines and DevOps practices ## Description We are seeking a Senior Systems Engineer - Web Application SME to serve as the highest escalation point for complex, mission-critical web application issues supporting a secure, government-facing environment., * Serve as Tier 4 escalation point for critical web application incidents and outages * Perform advanced root cause analysis (RCA) across full-stack systems (frontend, backend, APIs, databases, infrastructure) * Troubleshoot application issues in Kubernetes/containerized environments * Lead problem management efforts and drive permanent resolution of recurring issues * Collaborate with DevOps, Engineering, and Operations teams to improve system reliability * Use monitoring tools (e.g., Splunk, Grafana, Prometheus, ELK Stack) to diagnose and resolve issues * Develop and maintain runbooks, documentation, and operational knowledge base content, This is a high-impact engineering opportunity supporting a mission-critical platform used in secure government environments. You will work on complex distributed systems and Kubernetes-based infrastructure, helping drive improvements in application performance, scalability, and operational resilience. ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [My journey into DevOps world - How it all started!](https://www.wearedevelopers.com/videos/545-my-journey-into-devops-world-how-it-all-started) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)