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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Administrator - **Company:** OCCULTUS LLC - **Location:** Atlanta, GA, United States - **Salary:** $78,415.0 - $134,435.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Apple Mac Systems, Microsoft Azure, Bash Shell, Border Gateway Protocol, Unix, Ubuntu (Operating System), CentOS, Cisco PIX, Cisco IOS, Cisco Routers, Complex Networks, CompTIA Security+, Computer Networks, System Configuration, Data Security, Dynamic Host Configuration Protocol, Debian Linux, Network Address Translation, DevOps, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, VMware ESX Servers, Monitoring of Systems, Networking Hardware, Internet Protocol Security (IP SEC), Intrusion Detection Systems, Storage Area Network (SAN), Subnetting, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Local Area Networks, Network Security, Network Troubleshooting, Lightweight Directory Access Protocols (LDAP), Linux Distribution, Windows Servers, Network Architecture, Network File Systems, Network Monitoring, Routing, Network Protocols, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Public Key Infrastructure, Windows PowerShell, Cloud Services, Ansible, Single Sign-On, Solaris (Operating System), TCP/IP, Wireshark, Virtual Local Area Networks, Virtualization Technology, VMware VSphere, Wide Area Networks, Diagnostic Tools, Scripting, Identity Services Engine, File Transfer Protocol (FTP), Load Balancing, Computer Network Operations, Connectivity Problems, System Availability, ARUBA, Firewalls (Computer Science), Juniper, Containerization, Infrastructure Automation Frameworks, SolarWinds (Software), Palo Alto Networks, 3-tier Architectures, Firewall Services Module, Splunk, Cisco, Vulnerability Analysis - **Published:** July 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=55953fa48a390f46 ## About the Role * Active Clearance: TS/SCI or above * Proven experience in computer networking with a strong understanding of LAN/WAN architecture and protocols including TCP/IP, DHCP, DNS, NFS (Network File System), FTP/SFTP protocols. * Hands-on expertise with Cisco routers/switches implementation along with Cisco ISE for identity services management. * Knowledge of network security principles including firewall configuration (Cisco ASA), IDS/IPS deployment, encryption standards such as SSL/TLS, PKI management, and vulnerability assessment techniques. * Familiarity with virtualization platforms like VMware vSphere/ESXi and containerization concepts supporting DevOps practices. * Experience managing operating systems such as Windows Server environments; Linux distributions like Debian or CentOS; UNIX-based systems including BSD or Solaris; macOS; openSUSE; Ubuntu; and BSD variants. * Strong scripting skills in Python or Bash for automation purposes; experience with Ansible is a plus. * Ability to implement routing protocols such as OSPF and BGP effectively within complex network architectures. * Familiarity with DNS, DHCP, VLANs, NAT, and subnetting * Experience with network monitoring and diagnostic tools * Excellent problem-solving skills with the ability to troubleshoot technical issues swiftly while maintaining clear documentation of incidents and resolutions. Preferred Qualifications: * Certifications: CompTIA Security+ or appropriate DoD 8570 certification, Cisco CCNA or CCNO * Familiarity with DISA STIGs and RMF processes * Experience in classified or air-gapped environments * Understanding of network security principles and incident response * Experience with: Cisco IOS, Palo Alto, Juniper, Aruba, SolarWinds, Wireshark, Splunk * Ability to travel both Domestic and International ## Description We are seeking a highly capable and technically proficient Network Administrator to support enterprise network infrastructure operations within a government contracting environment. The ideal candidate will possess hands-on experience configuring, maintaining, troubleshooting, and securing enterprise network environments across classified and/or mission-critical systems. This individual will support daily network operations, resolve escalated Tier 2/Tier 3 issues, maintain secure connectivity, monitor infrastructure health, and ensure reliable network performance across LAN/WAN/VPN environments. Responsibilities * Design, implement, and manage network infrastructure including LAN (Local Area Network), WAN (Wide Area Network), and VPN (Virtual Private Network) configurations to ensure seamless connectivity across all organizational sites. * Maintain and support network hardware such as Cisco routers, switches, ASA firewalls, and other equipment to optimize performance and security. * Configure and manage network protocols including TCP/IP, OSPF (Open Shortest Path First), BGP (Border Gateway Protocol), EIGRP (Enhanced Interior Gateway Routing Protocol), MPLS (Multiprotocol Label Switching), and IPsec for secure data transmission. * Implement load balancer solutions to ensure high availability and efficient distribution of network traffic across servers and applications. * Conduct vulnerability assessments using tools like Splunk, SolarWinds, PRTG, and other monitoring software to identify and mitigate security risks proactively. * Manage network security through firewalls such as Cisco ASA, VPNs, IDS/IPS systems, PKI (Public Key Infrastructure), LDAP authentication, SSO (Single Sign-On), SSL/TLS encryption, and system hardening practices. * Support system administration tasks across various operating systems including Windows Server, Linux distributions like Debian, CentOS, openSUSE, Ubuntu, BSD variants, macOS, and VMware ESXi environments. * Automate routine tasks using scripting languages such as Python, Bash shell scripting, PowerShell, and configuration management tools like Ansible to streamline operations. * Collaborate with IT teams on projects involving cloud services like AWS and Azure to extend network capabilities into virtualized environments. * Provide technical troubleshooting support for network issues related to routing protocols, network hardware failures, VPN connectivity problems, or security breaches. * Assist in the development of disaster recovery plans focusing on high availability architectures with SAN (Storage Area Network) systems and VMware vSphere solutions. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)