Job Description

Centurion seeks highly qualified and trained Network Engineer with a strong working to provide expert guidance and direction underpinning on-site support to Air Force Life Cycle Management Center/Cyber and Networks Directorate. This position is 100% onsite in San Antonio, TX. This is open to US Citizens that hold an Active Secret or Top Secret Clearance. The Digital Modernization Sector is focused on delivering performance-based IT services and repeatable solutions to include applying cloud-factory and aaS (as a Service) capabilities and integrating commercial products to provide a comprehensive digital engineering approach to IT transformation.Primary Responsibilities:• Assist in implementation, security, and maintenance of our enterprise network infrastructure. • Apply expertise in network architecture, security, automation, and cloud networking to ensure high availability, performance, and security across our IT environments. • Engineer, monitor, manage, and troubleshoot internal and external networks to include encryptors, firewalls, routers, and switches.• Engineer, monitor, manage, and troubleshoot virtual environments to include VMware.• Engineer, monitor, and manage storage appliances and ability to help troubleshoot issues with vendor support.• Research, implement, monitor, manage, patch, and troubleshoot various Microsoft and Linux products.• Research, implement, and troubleshoot active directory, group policy, routing and DNS.• Deploy, and maintain enterprise-level LAN, WAN, and wireless networks.• Manage and optimize network hardware, including routers, switches, firewalls, load balancers, and VPNs.• Experience with wireless networking technologies in the 802.11 protocol suite.• Perform fault isolation and resolution in a methodical, thorough manner.• Oversee cloud networking (AWS, Azure, Google Cloud), including hybrid cloud integrations.• Develop and enforce network segmentation, access control, and zero-trust security models.• Implement network security best practices, firewall policies, IDS/IPS, and NAC solutions.• Conduct regular network vulnerability assessments, penetration testing, and risk mitigation.• Ensure compliance with industry standards (NIST, ISO 27001, PCI-DSS, HIPAA, SOC 2, etc.).• Collaborate with cybersecurity teams to detect and mitigate network threats.• Monitor network traffic, bandwidth usage, and performance metrics, identifying and resolving bottlenecks.• Automate network configurations and management tasks using scripting tools (Python, Ansible, Terraform).• Experience configuring virtual private networks (VPNs) using one or more of the following technologies: Cisco AnyConnect, Azure VPN Gateway, MPLS, IPsec VPN, or other site-to-site VPN technologies • Experience with DoD networks, especially classified and operational networks • Relevant certifications such as CCNP, CCIE, or other specialization certifications (e.g. JNCIA, PCNSA, AZ-700, CISSP, etc). Basic Qualifications:• US Citizen with at least a Secret Clearance is required. With the ability to obtain a Top Secret SCI. • Currently possessing DoD 8140 certification at or above IAT level II, e.g. Security+ CE. • Bachelor’s degree with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience can be considered in lieu of a degree.• Strong knowledge of protocols, security standards, and design principles for OSI Layers 1-4. • Experience with installation and configuration of physical networking equipment and Local Area Networks (LANs). • Experience with the design and deployment of Wide Area Networks (WANs) using Virtual Private Networking (VPN) technologies • Experience in interpreting and contextualizing network management and troubleshooting tools and technologies, such as ICMP, SNMPv3, and Syslog. • Excellent problem-solving and analytical skills. • Expertise in networking topologies, LANs/WANs (Ethernet), TCP/IP protocol (IPv4 / IPv6) and other common network standards.• Expertise demonstrating the ability to design, implement, and support enterprise network switched and routed architectures.• Experience designing and operating networks using routing protocols such as BGP, EIGRP, OSPF, and static routing.• Experience designing new network systems or upgrades to existing network systems.• Experience developing and presenting complex network diagrams.• Experience installing, configuring and maintaining Cisco routers and switches.• Experience with network management applications and related protocols such as SNMP and NetFlow.