Network Systems Administrator

Delaware Nation Industries is seeking a Network Systems Administrator to provide operational and sustainment support for information systems supporting the Surface Combat Systems Training Command (SCSTC) and associated Naval Education and Training Command (NETC) activities. The position supports enterprise IT environments and systems that enable the training of surface warfare personnel to operate, maintain, and tactically employ surface combat systems. The Network Systems Administrator ensures system availability, security, and compliance with Department of Defense (DoD), Navy, and NETC cybersecurity, information assurance, and operational requirements.

Key Responsibilities

Administer, monitor, and maintain Navy and DoD networked systems and infrastructure

Support LAN/WAN operations within DoD enterprise environments (e.g., NIPRNet, SIPRNet)

Configure, manage, and troubleshoot network services including DNS, DHCP, and directory services

Perform system and network troubleshooting, fault isolation, and incident response

Implement and maintain security controls in accordance with RMF and DISA STIGs

Apply system, network, and operating system hardening techniques

Manage user accounts, access controls, and permissions following least-privilege principles

Monitor system performance, bandwidth utilization, and network traffic

Support virtualization platforms and virtual machine environments

Perform routine system maintenance including patching, backups, and disk management

Support endpoint and network security tools (e.g., firewalls, antivirus, ACAS/HBSS)

Assist with cloud-based systems using DoD-approved cloud environments

Support migration and integration of workloads across on-premises and cloud platforms

Ensure compliance with DoD and Navy data protection standards (PII, PCI, PHI, classified data as applicable)

Document system configurations, procedures, and operational changes

Qualifications

Strong knowledge of DoD networking fundamentals (LAN/WAN, TCP/IP, OSI model)

Experience supporting Navy or DoD enterprise IT environments

Proficiency with network diagnostic tools (ping, traceroute, nslookup)

Knowledge of cybersecurity principles, threats, and defense-in-depth strategies

Experience implementing RMF and maintaining DISA STIG compliance

Familiarity with system and network security architecture (firewalls, DMZs, VPNs)

Experience administering server and client operating systems

Proficiency with command-line tools and system diagnostics

Experience with virtualization technologies and virtual machine management

Understanding of cloud computing models (SaaS, IaaS, PaaS) and deployment models (public, private, hybrid)

Preferred Qualifications

Experience supporting Navy programs or platforms (e.g., NMCI, NGEN, CANES, shore-based NOCs)

Familiarity with DoD cloud environments and security requirements

Knowledge of wireless and transmission technologies used in DoD environments

Certifications (Required or Preferred, per Contract)

DoD 8570/8140 compliant certification (e.g., Security+, CASP+, CISSP)

Additional vendor certifications (Microsoft, VMware, Cisco) a plus

Clearance Requirements

Active Secret Clearance

Benefits

Covers 100% of employee benefit premiums, including Medical (PPO or HDHP Option), Vision, Dental

Matching 401K

Short- and Long-Term Disability

Pet Insurance

Professional Development/Education Reimbursement

Parking and Transit Benefits for NY, NJ, ATL, and DC Metro areas

Other Duties Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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