Ready to put your networking expertise to work where it matters most? At Leidos, you’ll join a collaborative team of innovators supporting a mission-critical Intelligence Community customer, where every connection you build strengthens national security. The Maru Program is looking for a Senior Network Administrator who thrives in fast-paced Agile environments, enjoys solving complex technical challenges, and is passionate about delivering resilient, secure, and high-performing network solutions.

In this role, you’ll work alongside talented engineers, architects, cybersecurity professionals, and software developers to modernize enterprise infrastructure, implement emerging technologies, and ensure mission systems remain secure, available, and ready for whatever comes next., As a Senior Network Administrator, you’ll serve as a technical leader responsible for the administration, optimization, and security of enterprise network infrastructure supporting mission-critical operations., * Design, configure, administer, and maintain complex enterprise LAN, WAN, WLAN, VPN, and data center network environments.

• Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network infrastructure components.
• Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.
• Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as the networking subject matter expert.
• Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.
• Troubleshoot complex network issues, perform root cause analysis, and implement long-term corrective actions.
• Implement and maintain secure network architectures in accordance with Intelligence Community security requirements and best practices.
• Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.
• Develop and maintain network documentation, topology diagrams, standard operating procedures, and configuration baselines.
• Coordinate hardware refreshes, software upgrades, maintenance windows, and patch management activities.
• Partner with cybersecurity teams to address vulnerabilities, implement security controls, and support audits and accreditation activities., Research Intranet Firewall Operations Resilience ServiceNow SolarWinds Lifting Ability Network Routing Network Switches Network Protocols Business Valuation Wide Area Networks Networking Hardware Local Area Networks Network Engineering Information Technology Full Stack Development Network Infrastructure Network Administration Artificial Intelligence Business Transformation Cisco LAN infrastructure File Transfer Protocol (FTP) Network Interface Controllers Virtual Private Networks (VPN) Troubleshooting (Problem Solving) Virtual Local Area Network (VLAN) Cisco Certified Network Associate Cisco Certified Network Professional +0

Google IT Support Network Administrator TEKsystems

Bethesda, MD*Hybrid

TCP/IP Research Intranet Firewall Operations Resilience ServiceNow SolarWinds Lifting Ability Network Routing Network Switches Secret Clearance Network Protocols Business Valuation Wide Area Networks Networking Hardware Local Area Networks Network Engineering Information Technology Full Stack Development Network Infrastructure Network Administration Artificial Intelligence Business Transformation Cisco LAN infrastructure File Transfer Protocol (FTP) Network Interface Controllers Virtual Private Networks (VPN) Troubleshooting (Problem Solving) Cisco Certified Network Associate Cisco Certified Network Professional Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Google IT Support Network Systems Administrator (CSA-2) Leidos

Ft Meade, MD*On-Site

Linux Gitlab Ansible Firewall Equities Purchasing Upskilling Market Data Cryptography Data Security Cryptanalysis Backup Devices Key Management Data Management Ancient History Rapid Prototyping Analytical Method Data Transmissions Networking Hardware

Auditing Firewall Equities Topology DevSecOps Cisco PIX Leadership Automation Resilience Market Data Wireless LAN Communication Collaboration ISO/IEC 20000 Cyber Security Microsoft Azure Problem Solving Sprint Planning Ancient History Computer Science Network Security Complex Networks Patch Management Security Controls Agile Methodology CompTIA Security+ Wide Area Networks Network Monitoring Network Automation Root Cause Analysis Amazon Web Services Local Area Networks ITIL Certifications Software Development IT Service Management Emerging Technologies Sprint Retrospectives Performance Management Information Technology Continuous Integration Network Infrastructure Network Administration Hybrid Cloud Computing Cisco Routers Switches Border Gateway Protocol IAM Level I Certification IAT Level II Certification Standard Operating Procedure Scrum (Software Development) Infrastructure as Code (IaC) Python (Programming Language) ITIL Foundation Certification Zero Trust Architecture (ZTA) Security Requirements Analysis Virtual Private Networks (VPN) Network Performance Management Troubleshooting (Problem Solving) Cisco Certified Network Associate Software Defined Networking (SDN) Transmission Control Protocol (TCP) Cisco Certified Network Professional Cisco Adaptive Security Appliance (ASA) Information Technology Infrastructure Library Cisco Certified Network Professional (CCNP) Enterprise Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) Control Objectives For Information And Related Technology (COBIT), Active Top Secret/SCI with the ability to successfully pass a Polygraph examination., * US citizenship is required per contract.

• Bachelor’s degree in Computer Science, Engineering, Information Technology or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
• 8+ years of network administration experience.
• DoD 8140/8570 Compliance: Must possess an active CompTIA Security+ (or higher baseline certification) to satisfy IAM Level I / IAT Level II requirements.
• Cisco Networking: Must possess an active Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) Enterprise certification.
• Experience supporting large-scale, mission-critical network environments.
• Strong expertise with Cisco routing and switching technologies.
• Thorough understanding of:
• TCP/IP
• OSPF, BGP, EIGRP
• VLANs
• DNS/DHCP
• VPN technologies
• NAT
• QoS
• Multicast
• Experience administering enterprise firewalls such as Cisco ASA, Palo Alto, or Fortinet.
• Experience with network monitoring and performance management tools.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication skills and the ability to collaborate across technical disciplines.
• Experience working in Agile or Scrum environments.

Preferred Qualifications:

• ITIL Certification (ITIL v3 Foundation, ITIL 4 Foundation, or higher) or an equivalent IT service management framework certification (e.g., COBIT, ISO/IEC 20000).
• Experience supporting Intelligence Community or Department of Defense customers.
• Experience with AWS, Azure, or hybrid cloud networking.
• Knowledge of Software Defined Networking (SDN).
• Experience with network automation using Python, Ansible, or PowerShell.
• Familiarity with Zero Trust Architecture and micro-segmentation.
• Experience with DevSecOps and Infrastructure as Code (IaC).
• Experience with VMware NSX or Cisco ACI.

Maru, Time Off Management

Security Engineering Signals Intelligence System Administration Analytic Applications Prototype Development Network Infrastructure Vulnerability Scanning Network Virtualization Network Troubleshooting Computer Network Operations Troubleshooting (Problem Solving) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Salesforce Admin

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .