Network Administrator

Nabout Leidos

United States

3 days ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

6 years minimum

Compensation

$92,300.0 - $166,850.0

Working hours

Regular working hours

Job source

jobs.military.com

Tech stack

Agile Methodology Amazon Web Services Microsoft Azure Border Gateway Protocol Cisco PIX Cisco Routers Control Objectives for Information and Related Technology (COBIT) Complex Networks CompTIA Security+ Computer Networks Continuous Integration Dynamic Host Configuration Protocol

+31 more

Domain Name System (DNS) Enhanced Interior Gateway Routing Protocol Identity and Access Management Python (Programming Language) Network Security Multicasting Network Architecture Network Monitoring Network Segmentation Network Administration Cisco Nexus Switches Open Shortest Path First (OSPF) Windows PowerShell Scrum Methodology Remote Access Technology Ansible Zero Trust Network Access TCP/IP Virtual Local Area Networks Computer Networking Systems Load Balancing Software Troubleshooting HybridCloud Firewalls (Computer Science) Information Technology Patch Management Fortinet Open Network Automation Platform Devsecops Cisco Vmware

Job description

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.\n, * Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.\n

Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as the networking subject matter expert.\n
Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.\n
Troubleshoot complex network issues, perform root cause analysis, and implement long-term corrective actions.\n
Implement and maintain secure network architectures in accordance with Intelligence Community security requirements and best practices.\n
Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.\n
Develop and maintain network documentation, topology diagrams, standard operating procedures, and configuration baselines.\n
Coordinate hardware refreshes, software upgrades, maintenance windows, and patch management activities.\n
Partner with cybersecurity teams to address vulnerabilities, implement security controls, and support audits and accreditation activities.\n

Requirements

Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network infrastructure components.\n, * 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.\n
8+ years of network administration experience.\n
DoD 8140/8570 Compliance: Must possess an active CompTIA Security+ (or higher baseline certification) to satisfy IAM Level I / IAT Level II requirements.\n
Cisco Networking: Must possess an active Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) Enterprise certification.\n
Experience supporting large-scale, mission-critical network environments.\n
Strong expertise with Cisco routing and switching technologies.\n
Thorough understanding of:\n \n
TCP/IP\n
OSPF, BGP, EIGRP\n
VLANs\n
DNS/DHCP\n
VPN technologies\n
NAT\n
QoS\n
Multicast\n \n
Experience administering enterprise firewalls such as Cisco ASA, Palo Alto, or Fortinet.\n
Experience with network monitoring and performance management tools.\n
Strong troubleshooting, analytical, and problem-solving skills.\n
Excellent communication skills and the ability to collaborate across technical disciplines.\n
Experience working in Agile or Scrum environments.\n, * ITIL Certification (ITIL v3 Foundation, ITIL 4 Foundation, or higher) or an equivalent IT service management framework certification (e.g., COBIT, ISO/IEC 20000).\n
Experience supporting Intelligence Community or Department of Defense customers.\n
Experience with AWS, Azure, or hybrid cloud networking.\n
Knowledge of Software Defined Networking (SDN).\n
Experience with network automation using Python, Ansible, or PowerShell.\n
Familiarity with Zero Trust Architecture and micro-segmentation.\n
Experience with DevSecOps and Infrastructure as Code (IaC).\n
Experience with VMware NSX or Cisco ACI.\n