> Markdown version of [/jobs/ext/3590049-software-developer-sr-expert](https://www.wearedevelopers.com/jobs/ext/3590049-software-developer-sr-expert). 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 Developer - Sr, Expert - **Company:** Zachary Piper - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $190,000.0 - $210,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Cloud Computing, Cloud Computing Security, Cloud Engineering, Continuous Integration, Linux, DevOps, Github, Virtual Private Networks (VPN), Network Security, Performance Tuning, Cloud Services, Software Vulnerability Management, Transport Layer Security, Cloud Platform System, System Availability, IT Architecture, Amazon Virtual Private Cloud (VPC), Gitlab, Cloudformation, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Database Capacity Planning, Cloudwatch, Terraform, Jenkins, Vulnerability Analysis - **Published:** October 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9216484/software-developer-sr-expert ## About the Role The ideal candidate will possess strong systems administration expertise combined with proven experience in systems design, infrastructure scalability, and architecture planning. This role will be responsible for developing secure infrastructure enhancements that support new mission capabilities, improve system performance, and ensure the long-term scalability and reliability of enterprise environments., Bachelor's degree in Computer Science, Information Technology, Engineering, or related field (or equivalent experience). 8+ years of experience in Systems Administration, Cloud Engineering, Infrastructure Engineering, or related disciplines. Demonstrated experience designing and scaling enterprise infrastructure environments. Strong experience with AWS cloud services and cloud security best practices. Hands-on experience with Kubernetes and containerized environments. Experience building and maintaining CI/CD pipelines using GitLab, GitHub, or Jenkins. Strong understanding of networking, VPNs, SSL/TLS, and enterprise security principles. Experience with vulnerability management, patching, and system hardening. Excellent troubleshooting, communication, and collaboration skills. Preferred Qualifications AWS certifications (Solutions Architect, SysOps Administrator, or similar). Experience with Infrastructure as Code tools such as Terraform or CloudFormation. Knowledge of Linux and Windows enterprise environments. Experience supporting secure government, defense, or classified environments. Active security clearance preferred or ability to obtain one. ## Description Infrastructure Architecture & Scalability Design and implement scalable, secure, and highly available infrastructure solutions. Develop infrastructure enhancements to support emerging business and mission requirements. Evaluate system performance and recommend architectural improvements to increase reliability, efficiency, and scalability. Maintain and evolve software and infrastructure architecture while promoting operational best practices and innovation. Cloud & Database Administration Deploy, provision, manage, and secure AWS cloud resources, including: EC2 S3 RDS EBS CloudWatch VPC Support database capacity planning, sizing, performance tuning, and ongoing administration. Ensure cloud environments align with security and compliance requirements. DevOps & CI/CD Build, maintain, optimize, and troubleshoot CI/CD pipelines using GitLab, GitHub, and Jenkins. Collaborate with development teams to streamline deployments and improve software delivery processes. Implement Infrastructure-as-Code and automation best practices where appropriate. Containerization & Kubernetes Design, deploy, maintain, and troubleshoot Kubernetes clusters. Ensure high availability and reliability of containerized environments. Support development teams by maintaining stable and scalable container orchestration platforms. Security & Systems Operations Conduct vulnerability assessments and remediation activities. Manage operating system and infrastructure patching across physical and cloud environments. Administer VPN solutions and secure network connectivity. Manage SSL/TLS certificates and ensure compliance with security standards. Monitor system health and proactively address operational issues before they impact users.