i3 is looking for a Senior Systems Engineer to plan, design, and implement additions and changes to network hardware, infrastructure server environments, and operating systems. You will provide direct support in day-to-day operations while maintaining the reliability and robustness of the underlying infrastructure that supports the forensic and investigative ecosystem across multi-enclave environments.
What You'll Do
- Supervise, coordinate, design, develop, and implement additions and changes to network hardware, infrastructure server environments, and operating systems
- Provide direct support in the 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
What We're Looking For
- Bachelor's degree in Computer Science, Systems Engineering, or a related field
- Minimum of 8 years of experience in systems engineering or a related field
- Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI)
- Experience with the SAFe Agile framework
- Understanding of forensic and investigative system requirements
- Demonstrated experience designing and implementing secure systems in government environments
Technical Stack
- 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
- Hybrid cloud and on-premises infrastructure
- Nutanix HCI
- VMWare
- DevSecOps practices and tools
- Elasticsearch, Splunk, and other data platforms
- Scripting: Python and C# for automation
- Database technologies: SQL, MySQL, PostgreSQL
- Directory services: LDAP/OpenLDAP, ADFS, Keycloak
- Tunneling protocols: GRE, IPSec, SSH, SSL
- SAFe Agile methodologies
Work Mode
This position is onsite in Chantilly, VA.
i3 is an equal opportunity employer.




