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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator - **Company:** Leidos, Inc. - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $73,450.0 - $132,775.0 - **Contract:** Permanent contract - **Skills:** System Configuration, Dynamic Host Configuration Protocol, Domain Name System (DNS), IP Addressing, IP Address Management, Network Troubleshooting, Network Administration, System Testing, Information Technology - **Published:** August 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9117425/system-administrator ## About the Role * Required Clearance: TS/SCI with CI Poly * Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master's and 4 years, bachelor's and 6 years, associates and 8 years or HS diploma and 10 years. * Additional required qualifications include: Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2. * The ideal candidate will have either System Administration background, networking background, or extensive experience in managing and configuring DNS, DHCP, and IP Address Management (DDI). Candidates with System Administration and networking backgrounds will be properly trained to perform their day-to-day duties. ## Description The Digital Modernization Sector at Leidos has an opening for a System Administrator to support the Intelligence Community in providing technical support for the customer's system test and integration lab, and customer production environment. The System Administrator provides hand-on support for the IT infrastructure and technical assistance and support as needed to on-site administrators supporting the other two environments., * DNS Configuration and Management: * Configure, maintain, and troubleshoot DNS zones, records, and resolution policies using the Infoblox application. * Perform DNS zone transfers, updates, and changes as required by business needs. * DHCP and IP Address Management: * Oversee IP address allocation and management, ensuring efficient usage and accurate records. * Implement IPAM strategies for efficient IP space management, including subnetting and supernetting. * Monitoring and Reporting: * Monitor the performance and health of DNS and DHCP services, addressing issues promptly. * Generate regular reports on DNS and IP address utilization, providing insights and recommendations for optimization. * Security and Compliance: * Ensure compliance with organizational security policies and industry standards. * Assist in auditing DNS and IPAM configurations to identify and mitigate potential risks. Troubleshooting and Support: * Provide technical support and troubleshooting for DNS, DHCP, and IPAM-related issues. * Work closely with other network and security teams to resolve complex networking issues. * Documentation and Training: * Maintain comprehensive documentation of DNS, DHCP, and IPAM configurations and processes. * Train and support junior network administrators and other IT staff. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [The Sound of Privacy – What Your Spotify Data Reveals About You](https://www.wearedevelopers.com/videos/100346-the-sound-of-privacy-what-your-spotify-data-reveals-about-you) - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Enterprise Linux as Container Images](https://www.wearedevelopers.com/videos/1610-enterprise-linux-as-container-images) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)