Description Join a Team That Powers Innovation! Leidos is on the lookout for a sharp, forward-thinking Systems Engineer to strengthen our elite technical team in Chantilly, VA. You’ll be part of a driven team of experts tackling some of the most complex challenges in support of our national security mission.What You’ll Do: Step into a hybrid role where classic system administration meets cutting-edge infrastructure engineering. You’ll play a key part in deploying, maintaining, and optimizing IT systems across both physical and virtual landscapes. From routine operations to rapid response troubleshooting and major infrastructure projects, your technical instincts and problem-solving mindset will shine.Why You’ll Love It Here:Collaborate with a passionate, highly skilled teamDrive impact across critical systems and technologiesTackle diverse challenges that keep your skills sharp and your work meaningfulPrimary Responsibilities:Systems AdministrationConduct routine system administration tasks including user management, patching, backup/restore, scheduled jobs, and file permissions.Maintain and troubleshoot Linux (Rocky, CentOS, Debian) and Windows Server environments.Apply security updates and configuration changes in accordance with operational policy. VoIP / PBX SystemsInfrastructure & Virtualization SupportMaintain virtualization platforms including Nutanix AHV, KVM (via virsh), and VMware.Provision, monitor, and decommission virtual machines based on project and operational needs.Document VM configurations, resource usage, and dependencies.Storage AdministrationSupport NAS/SAN platforms, including NetApp, for general-purpose storage, backups, and user file shares.Perform basic storage provisioning and capacity planning tasks.Monitoring & LoggingManage and maintain SolarWinds for infrastructure monitoring, alerting, and performance tracking.Maintain Kiwi Syslog Server configuration and assist in analyzing logs for operational insights or incident response.Participate in refining thresholds, log retention policies, and alert workflows.Networking & SecurityAssist with network troubleshooting, including VLANs, routing, NAT, firewall rules, DNS, and DHCP.Support VPN tunnels and internal network segmentation strategies.Implement and maintain security baselines and patch compliance.Support & DocumentationAct as Tier 2 support for tickets and escalated user/system issues.Maintain accurate documentation, including diagrams, SOPs, runbooks, and inventory records.Assist with hardware tracking and change management.Redundancy & Project SupportServe as the operational backup for the senior systems engineer.Participate in infrastructure and system upgrade projects.Be available for after-hours support and planned maintenance windows as needed.Required Clearance: Must possess an active and in scope TS/SCI With Poly to be considered.Travel: This position requires intermittent OCONUS travel to a middle east location.Required Skills, Education, and Experience:Bachelor’s degree and at least 12 years of experience OR Master’s degree and at least 10 years of experience OR additional relevant experience, certifications, and military service combined, may be considered in lieu of degree.3–5 years of experience in systems administration or infrastructure engineering roles.Proficient in Linux and Windows Server environments.Hands-on experience with virtualization using Nutanix AHV, virsh/KVM, or VMware.Familiarity with enterprise storage, especially NetApp.Working knowledge of DNS, DHCP, IP routing, and firewalls.Experience with monitoring and logging tools such as SolarWindsand Kiwi Syslog.Scripting ability in Bash or PowerShell.Strong documentation habits and troubleshooting skills.Professional communication and a collaborative mindset.Come break things (in a good way). Then build them smarter.We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”Original Posting:August 14, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $126,100.00 - $227,950.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.