Network Engineer

E-Infosol LLC • Washington, DC

23d • $136,000 - $143,000

About The Position

E-INFOSOL LLC is seeking a motivated, results-driven Network Engineer with at least 8 years of relevant professional experience in cleared IT government contracting. The role leads the design, implementation, and optimization of resilient, secure network infrastructures supporting mission-critical operations. The Network Engineer provides strategic and technical leadership in network modernization, security architecture, and performance optimization, ensuring secure and reliable communications across complex, multi-enclave environments. The position also serves as the principal authority for enterprise systems architecture and infrastructure modernization.

Requirements

• Active Top Secret clearance, with capability to obtain SCI/CI Poly if needed to meet contract requirements.
• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical discipline, or equivalent experience.
• Minimum 8 years of relevant professional experience.
• Extensive experience designing and supporting enterprise network environments.
• Strong expertise in routing, switching, firewalls, VPNs, network security, and access control technologies.
• Experience implementing zero-trust architectures and secure communications solutions.
• Advanced troubleshooting and network performance analysis skills.
• Experience supporting mission-critical, highly secure, or regulated environments.
• Strong leadership, communication, and technical documentation skills.

Nice To Haves

• Master’s degree in Information Technology, Network Engineering, Cybersecurity, or a related field.
• Experience supporting federal, defense, intelligence, or classified network environments.
• Expertise with multi-enclave or cross-domain network architectures.
• Experience with cloud networking, software-defined networking (SDN), and hybrid cloud environments.
• Knowledge of security accreditation processes and compliance frameworks.
• Relevant certifications such as CCNP, CCIE, CISSP, JNCIP, JNCIE, AWS Advanced Networking, or equivalent.
• Experience with networking technologies including Cisco switching, routing, firewalling, IPSEC, DMVPN, and SD-WAN; Arista switching; and tunneling and VPN technologies such as GRE, IPSEC, SSH, SSL, OpenVPN, and WireGuard.
• Experience with virtual distributed switching using VMware, Proxmox, and Nutanix.
• Experience with virtualization and hyper-converged infrastructure, including VMware/Broadcom ESXi (vSphere), vCenter, VSAN, VxRail, cluster management, and licensing; Proxmox host and cluster configuration, networking, and Ceph; and Nutanix host and cluster configuration, Prism Central, and NDFS.
• Experience with large data storage technologies, including QNAP, Synology, TrueNAS, NetApp, Samba, SSH, SFTP, and NFS.
• Experience with network-based and host-based monitoring, alerting, SMTP configuration, active vulnerability scanning such as Nessus, and familiarity with Splunk SIEM.
• System administration experience with Linux (including Rocky, RedHat, Amazon, and Ubuntu), Windows, and Mac OS.
• Experience with identity and access management technologies including IPA/FreeIPA, LDAP/OpenLDAP, Keycloak, and Linux-based SSSD host-based access control (HBAC).
• Experience with applications including Splunk, Nginx, Confluence, Jira, Docker, Kubernetes, GitLab, and Jupyter.
• Advanced multi-tiered networking skills.

Responsibilities

• Design and implement enterprise network architectures for secure, mission-critical operations.
• Lead zero-trust network design initiatives and cross-enclave interoperability solutions.
• Optimize network performance, reliability, and security across complex, multi-enclave environments.
• Establish and enforce network security architecture standards and governance processes.
• Drive network modernization aligned with enterprise strategy and zero-trust principles.
• Ensure secure communications and connectivity across classified and highly regulated environments.
• Provide technical leadership for network infrastructure planning and implementation.
• Partner with security, architecture, and operations teams to maintain resilient network systems.

Benefits

• Company-subsidized medical premiums for employees, with family and dependent options.
• Dental insurance.
• Vision insurance.
• 401(k) retirement savings plan with up to 4% company match.
• Health Savings Account (HSA), Flexible Spending Account (FSA), and Dependent Care Flexible Spending Account (DCFSA).
• Company-paid short- and long-term disability coverage, with additional supplemental options.
• Company-paid life and AD&D coverage, with additional supplemental options.
• Generous paid time off and all 11 federal holidays.
• Legal and identity protection services.
• Certification completion bonuses and reimbursement.
• UberOne, company outings, and service discounts, including pet insurance.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior