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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer SME - TOP SECRET CLEARANCE REQUIRED - **Company:** I3 CONSULTING, LLC. - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Proxmox, Secure Shell (SSH), Microsoft Windows, Active Directory, Active Directory Federation Services, Agile Methodology, Amazon Web Services, Systems Engineering, C Sharp (Programming Language), Cloud Computing, Communications Protocols, Databases, Data Security, Linux, Elasticsearch, Networking Hardware, Internet Protocol Security (IP SEC), Python (Programming Language), Lightweight Directory Access Protocols (LDAP), PostgreSQL, MySQL, Network Architecture, Network Administration, OpenLDAP, Scaled Agile Framework, Software Engineering, Software Requirements Analysis, SQL Databases, TCP/IP, Virtualization Technology, VMware VSphere, Transport Layer Security, Data Storage Technologies, Okta, Sonicwall, HybridCloud, Containerization, Kubernetes, Information Technology, Data Management, Hardware Infrastructure, Nutanix, Terraform, Splunk, Devsecops, Cisco, Docker - **Published:** May 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=92edcbbaedddd562 ## About the Role Do you have experience in Windows support?, Do you have a Bachelor's degree?, * Hybrid cloud and on-premises infrastructure * DevSecOps practices and tools * Elasticsearch, Splunk, and other data platforms * Python and C# for automation and scripting * Database technologies (SQL, MySQL, PostgreSQL) * LDAP/OpenLDAP, ADFS, Keycloak * Tunneling protocols (GRE, IPSec, SSH, SSL) * SAFe Agile methodologies, * Bachelor's degree in Computer Science, Systems Engineering, or related field * Minimum of 10 years of experience in systems engineering or related field * Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) * Experience with SAFe Agile framework * Understanding of forensic and investigative system requirements * Demonstrated experience designing and implementing secure systems in government environments Work Environment * Primary location: Chantilly, VA * May require occasional travel for Program Increment planning sessions * Must be a U.S. citizen and able to pass a background check and polygraph examination * May require flexible scheduling to support critical operations * Must be able to respond to critical incidents within designated resolution timelines ## Description As a Senior Systems Engineer, you will plan, design, and implement additions and changes to network hardware, infrastructure server environments, and operating systems. You will provide direct support in the day-to-day operations of network hardware and operating systems while maintaining the reliability and robustness of the underlying infrastructure that supports the forensic and investigative ecosystem across multi-enclave environments., * Supervise, coordinate, design, develop and implement additions and changes to network hardware, infrastructure server environments, and operating systems * Provide direct support in day-to-day operations of network hardware and operating systems * Troubleshoot at both physical and logical network levels * Participate in planning, design, technical review and implementation for new network infrastructure * Perform systems management and integration functions across multi-enclave environments * Maintain network infrastructure standards including communication protocols such as TCP/IP * Diagnose and resolve complex communication problems * Ensure systems are current with approved patches and assist with certification and accreditation tasks * Develop strategy for client/server systems and design infrastructure to support that strategy * Advise on selection of technological purchases for processing, data storage, data access, and applications development * Participate in Program Increments (PIs) and Agile Release Train (ART) activities * Support DevSecOps practices and tools implementation Required Technical Skills Advanced proficiency with: * * Virtualization technologies (VSphere, VXRail, Proxmox, Nutanix) * Network administration and security * Cloud platforms (AWS GovCloud, SC2S, C2S) * Linux and Windows operating systems * Windows Active Directory * Network hardware (Cisco, Arista, SonicWall) * Containerization (Docker, Kubernetes) * Infrastructure as Code (Terraform) * Security accreditation processes ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)