Cyber Range Software Engineer-Senior

At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long‑term careers where our people can grow alongside our customers' evolving missions. Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas. To learn more about our comprehensive benefits and what it's like to build your career at NetSage, visit our Careers page. Due to the sensitive nature of the work we support, some job descriptions intentionally provide a high‑level overview of the role. If you'd like to learn more about a particular opportunity, we encourage you to apply directly or connect with us through our Get In Touch page. We'd be happy to discuss how your experience aligns with our mission and explore where you can make an impact. Job Description We are seeking a Senior Cyber Range Software Engineer to develop, automate, and maintain mission‑critical cyber range environments that support defensive cyber operations. In this role, you will leverage Infrastructure as Code (IaC), virtualization, and automation technologies to build scalable, realistic cyber environments that strengthen cyber readiness and mission success. The ideal candidate for this role will be familiar with Hunt, Red, and Blue Team operations and have a passion for automation, infrastructure engineering, and cybersecurity. Please consider applying if you meet the following qualifications. Required Qualifications TS/SCI with polygraph security clearance. A Bachelor of Science (B.S.) degree in Computer Science or a related field and eight (8) years or relevant experience is required. A Doctoral degree (PhD) and four (4) years, a Master of Science (M.S.) degree and six (6) years, or an Associate of Science (A.S.) degree and ten (10) years of experience is also acceptable. Experience implementing and managing Infrastructure as Code (IaC) solutions. Experience developing automation using scripting languages such as Python, Bash, PowerShell, or Batch. Experience with Terraform and Ansible. Experience configuring and supporting cybersecurity tools, network devices, and operational environments. Network engineering experience with Arista, Cisco, and Juniper technologies. Strong understanding of Windows and Linux operating systems, application behavior, and network traffic analysis. Desired Qualifications Experience working in Agile software development and DevOps environments. Experience with container technologies such as Docker and Kubernetes. Knowledge of penetration testing, adversary emulation, or Red Team operations. Experience administering or developing solutions using Splunk. Experience with Nutanix infrastructure. #J-18808-Ljbffr NetSage