Network Security Specialist

4 weeks ago


Pocatello, Idaho, United States Leidos Holding Full time
Job Summary

We are seeking a highly skilled Network Security Specialist to join our team at Leidos Holding. As a Network Security Specialist, you will be responsible for supporting the network engineering and O&M efforts of cross-domain security solutions and other security technologies for production, pre-production, and lab/development environments.

Key Responsibilities
  • Perform across the lifecycle from concept development, design, implementation, integration, and deployment by applying diverse skills in systems engineering, system administration, integration, test, and system security.
  • Provide both remedial and preventive maintenance on existing systems and new systems transitioning from development to production.
  • Conduct routing security analysis of network components and implement component patches and configuration actions to address security issues.
  • Coordinate with enterprise, customer, and datacenter counterparts to ensure networking and paths are complete.
  • Establish and document new security configuration guidance for new technologies introduced into the environment.
Requirements
  • A solid technical knowledge and experience in engineering, configuring, and managing Cisco-based switches, routers, and Juniper firewalls in a WAN, LAN, or WLAN data center solution.
  • Knowledge or experience in engineering, configuring, or managing failover configurations of network components and load balancing components (F5 Network GTM, LTM, Big IP).
  • Current hands-on network administration skills and network management experience.
  • Strong network troubleshooting skills to support implementation and modification of Linux and Windows servers and applications servers supporting customer services.
  • Strong analytical and troubleshooting skills to integrate new capabilities. The ability to quickly adapt to new system environments and interface with systems.
  • The ability to work independently and as part of a multidisciplinary team at times to solve a variety of network solutions and technology implementations.
  • Must be a self-starter and can work independently with minimum direction.
  • Must be able to coordinate with contractor management and Government personnel to identify and resolve issues with clearly defined solutions that satisfy Government and customer requirements.
  • Ability to lead and manage a small network team and follow change management process including creating required change management documentation.
  • Technical writing & documentation skills/drawings (MS Visio, Word, Excel).
Desired Skills
  • Experience with integration of network devices and services in remote datacenters and enterprise networks.
  • Experience in designing, improving, and documenting network architecture and configuration for future growth/hardware.
  • Experience with Juniper JunosOS, SRX 5400, CISCO 5672 switch & Cisco OS.
  • Experience with F5 (LTM, GTM, DNS, AAM, AFM, SDN, Routing, APM, ASM).
  • Integration of one or more cross-domain products (guards, one-way transfers, multi-level access solutions).
  • Knowledge or experience configuring application gateways (e.g. Datapower, Layer 7).
  • Knowledge of advanced networking and security disciplines to support insertion of newer technologies e.g. network virtualization (VMware and ESX 5.x), utilizing a common switching infrastructure and next generation firewalls.
  • Network certifications (e.g. Cisco- CCNA, CCDA, CCNP and CCIE; Juniper - JNCIA, JNCIS, JNCIP, JNCIE).
  • Integrating with typical IT support infrastructure services: virtualized environments including virtual switching, DNS, LDAP, Active Directory, log archive.
  • Use of standard project management techniques to include AGILE and standard project management methodologies.
Security Requirements
  • Active Top Secret with ability to obtain SCI through CI polygraph.
  • Clearance Required Prior to Start: Top Secret.
About Leidos

Leidos is a Fortune 500 innovation company rapidly addressing the world's most vexing challenges in national security and health.

The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries.

Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.



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