IT Infrastructure Security Specialist

4 days ago

Aragüés del Puerto, Huesca, United States The One 23 Group Full time
About The One 23 Group
We are a Virginia-based Government Contractor dedicated to setting the benchmark for excellence in government services. Our mission is to empower our clients in the Department of Defense, Intelligence Community, and Federal Civilian sectors with advanced capabilities.

**Our Expertise**
We offer consulting and analytics, digital workplace solutions, and cyber compliance services. With a global footprint, we prioritize fostering a people-first culture underpinned by steadfast ethical principles. We focus on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management.

Job Description: Network Systems Administrator - Senior
The One 23 Group seeks a highly skilled Network Systems Administrator - Senior local to the Washington, DC Metropolitan area. As a key member of our team, you will be responsible for developing, implementing, and sustaining network operating rules, objects, and flows across a complex, global enterprise.

Key Responsibilities:
  • Critically analyze network infrastructure to identify opportunities to improve efficiencies and reduce the threat profile.
  • Participate in audits covering network security services and technologies.
  • Architect, engineer, and troubleshoot Fortinet firewalls and services.
  • Configure and install network and security-related hardware and software.
  • Implement, operate, configure, maintain, and replace equipment to include LAN firewall, Site to Site VPN, LAN load balancer, DOJ's VTC service, THUB network, Internal Proofpoint Mail Servers, and current monitoring systems.
  • Deploy and maintain Zscaler-related physical and virtual machines.
  • Provide vulnerability mitigation and improve data replication and failover.
  • Maintain and improve required security devices between the current operational environment and Third-Party connections.
  • Execute business continuance and disaster recovery plans.
  • Research, design, and implement new technologies and equipment.

Qualifications:
To be considered for this role, you must have at least 8-10 years of experience providing LAN/WAN/Remote Access, Network Security, and/or Applications Support. You should also possess experience with Cisco switching, routing, firewalls, Intrusion Detection System, and network management and monitoring including OPNET. Additionally, you should have experience analyzing network requirements, drafting project documentation, coordinating with customers, deploying system technologies, providing project reporting, project oversight, and projecting out-year network requirements.

Desired Certifications:
Possession of at least one (1) of the following certifications is desirable: Cisco Certified Internetwork Expert (CCIE) Routing & Switching, Zero Trust Container Architecture (ZTCA), Zscaler Certified Cloud Administrator - Internet Access (ZCCA-IA), Zscaler Certified Cloud Administrator - Private Access (ZCCA-PA), Cisco Certified Network Professional (CCNP Data Center), CISSP (Associate), Cloud+, IAT L3 or Higher, or IAM L3 or Higher.

Clearance Requirement:
This position requires a minimum active Top Secret clearance (US citizenship required).

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