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Booz Allen Hamilton · 2 weeks ago

System and Network Administrator

Annapolis Junction, MD

Full-time

Hybrid

Senior Level, Lead/Staff

$78K/yr - $176K/yr

10+ years exp

Booz Allen Hamilton is seeking a System and Network Administrator to enhance and maintain critical network systems for the Department of Defense. The role involves designing and optimizing network infrastructures, troubleshooting complex issues, and ensuring the security and reliability of mission-critical operations.

ConsultingCyber SecurityIT InfrastructureManagement ConsultingSecurity

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Crafting the right network, with the right equipment and software, requires a combination of technical skill and careful planning

Support the nation’s defense and respond to evolving adversaries

Upgrade or develop enterprise-wide infrastructure, troubleshoot and resolve complex network issues, analyze current working infrastructures, and increase security, reliability, and availability for mission-critical network systems

Apply expertise in routing and switching, integration of encryption gear, network design and architecture, system interoperability, IP engineering, network transport layers, multi-protocol label switching, gateway protocol, and virtual routing and forwarding

Optimize client operations and modernization

Serve as a trusted advisor to clients on mission-critical projects

Qualification

Network designArchitectureCisco networkingLinux administrationSecurity+ CertificationCryptographyCloud migrationVirtual routingForwardingSplunk loggingKubernetesAgile methodologiesCommunication skills

Required

10+ years of experience with network or system administration

Experience with Linux, including maintaining RHEL, Rocky or Ubuntu

Experience maintaining and administering Cisco networking switches

Experience maintaining and administering Cisco routers

Experience maintaining and administering Cisco FirePower Thread Defense firewalls

Ability to maintain software development infrastructure supporting multiple environments and networks in a fast-paced and highly technical environment

Ability to take initiative and make recommendations on existing infrastructures

TS/SCI clearance with a polygraph

HS diploma or GED

Security+ Certification and Networking certification, such as CCNA

Preferred

Experience maintaining VMware ESXi hosts and virtual machines (VMs)

Experience with Kubernetes, Docker, and Docker Compose

Experience maintaining Network Appliance, such as Netapp for storage arrays or technologies

Experience maintaining a Windows 11, and maintaining a Microsoft Active Directory and Group Policy environment

Experience with Oracle Hardware and Solaris OS, including x86 and SPARC

Experience facilitating or implementing Information Security Best Practices, including security compliance initiatives such as patching, IAVA remediation, and POA&M development

Experience with Splunk logging and NESSUS vulnerability scanning

Experience with Kanban or Agile methodologies, and project management applications, such as Jira or Redmine

Possession of excellent verbal and written communication skills