OverviewAMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Network Administrator to support a secure, high-availability Linux-based HPC environment with geographically dispersed operations.
This role is ideal for a hands-on network professional experienced in high-bandwidth, low-latency inter-site communications. You will support advanced compute platforms, high-capacity data transfers, optical transport, enterprise services, and secure connectivity across Cisco, Juniper, and Ciena infrastructure.
This role includes a $5,000 sign-on bonus in addition to a generous compensation package.
Responsibilities
As a Lead Network Administrator working for AMERICAN SYSTEMS in a high-performance computing environment, you will:
- Architect and engineer high-bandwidth, low-latency inter-site network solutions connecting geographically dispersed HPC sites.
- Design scalable communications architectures supporting high-capacity data transfers, redundancy, traffic optimization, secure connectivity, and mission-critical availability.
- Configure, maintain, and troubleshoot Cisco, Juniper, and Ciena routing, switching, firewall, VPN, optical transport, and data circuit infrastructure.
- Administer Linux-based networks supporting compute, storage, management, and user access, including host interfaces, bonding, VLAN tagging, routing, DNS, DHCP, and name resolution.
- Support Cisco ISE administration, firewall policies, network segmentation, ACLs, VLANs, VPNs, authentication, authorization, policy enforcement, and device access control.
- Use CLI-based tools to diagnose routing, switching, MTU, latency, throughput, and connectivity issues across network devices and Linux hosts.
- Support inter-site provisioning and lifecycle activities, including maintenance, upgrades, technology refresh, documentation, diagrams, standards, and operational procedures.
- Partner with systems, cybersecurity, and infrastructure teams to maintain secure, reliable mission operations.
Qualifications
- TS/SCI clearance with SAP eligibility
- DoD 8140 IAT II certification or higher, Security+ CE or equivalent
- Bachelor’s degree in IT, Computer Science, Engineering, or related field, (directly related experience in lieu of degree)
- 8–12 years of network administration, engineering, or architecture experience in enterprise or HPC environments
- CCNA or equivalent Cisco experience required; advanced Cisco certifications strongly valued.
- Experience designing, supporting, and troubleshooting high-bandwidth, low-latency multi-site networks, including Cisco routing/switching, Cisco ISE, firewalls, VPNs, optical transport, and high-capacity data circuits (Juniper and Ciena experience strongly valued)
- Strong knowledge of Layer 2/Layer 3, TCP/IP, VLANs, routing, ACLs, DNS, DHCP, high availability, segmentation, MTU, latency, throughput, and traffic optimization
- Linux networking experience, including interfaces, bonding, VLAN tagging, routing, name resolution, port connectivity, CLI troubleshooting, and performance analysis
- Experience with tools such as ip, ss, tcpdump, ping, traceroute, dig, and nslookup
- Team-oriented and collaborative, with the ability to work independently with general direction
Open to learning new tools, technologies, and processes
Professional, adaptable, and well-suited for a mission-focused environment
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Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $133,000.00/Yr. - USD $222,100.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
