Senior Network Engineer

Parallax Advanced Research•Beavercreek, OH

11d•Onsite

About The Position

The Senior Network Engineer leads the architecture, engineering, security, and lifecycle management of enterprise, data center, and research networks supporting Parallax Advanced Research programs. This individual contributor owns complex designs and escalations, sets network standards, shares expertise with less experienced engineers, and partners with cybersecurity, systems administration, engineering, and program stakeholders to deliver resilient, scalable, and compliant infrastructure. The role has no supervisory responsibilities. The position is on-site at Parallax HQ in Beavercreek, Ohio, or in Huntsville, Alabama (location TBD). It is full-time and exempt. The effective date listed is 11-1-26. The role supports Parallax's mission to deliver innovative research and technology, human, and business solutions through The Science of Intelligent Teaming™ for government, industry, and academic clients.

Requirements

U.S. citizenship.
Bachelor's degree in Computer Science, Information Technology, Network Engineering, Cybersecurity, or a related field; equivalent relevant experience may be considered.
At least 8 years of progressively responsible enterprise network engineering experience, including ownership of complex designs, migrations, and high-severity troubleshooting.
Advanced hands-on knowledge of enterprise routing and switching, firewall administration, VPNs, segmentation, network monitoring, and packet analysis.
Experience with enterprise platforms such as Cisco, Juniper, or Aruba, and core services including DNS, DHCP, NTP, SNMP, RADIUS, and TACACS+.
Working knowledge of Windows Server, Linux, Active Directory/Group Policy, VMware or Hyper-V, and secure server operations.
Demonstrated ability to lead technical projects, produce clear architecture documentation, and communicate risks and decisions.
Ability to obtain and maintain a U.S. Government security clearance as required by assigned programs.
Availability for scheduled after-hours maintenance and on-call support for critical incidents.

Nice To Haves

CCNP or equivalent advanced networking certification; Security+, CISSP, CCIE, or relevant Microsoft or VMware credentials.
DoD 8140 qualification, for example Security+ CE, for privileged access to DoD systems.
Experience with DoD or federal programs, isolated or classified environments, secure research laboratories, and high-performance computing or data center networks.
Familiarity with CMMC Level 2, NIST SP 800-171/800-53, RMF, DISA STIGs, vulnerability management, and assessment support.
Network automation with Python, PowerShell, or Ansible, and hybrid cloud networking in Azure or AWS.
Active Secret clearance or higher.

Responsibilities

Lead design and modernization of LAN/WAN, wireless, data center, and segmented research networks; define technical roadmaps, standards, and capacity plans.
Own advanced routing, switching, and segmentation designs, including TCP/IP, VLANs, ACLs, OSPF, BGP, STP, and 802.1Q, balancing performance, reliability, and security.
Architect secure connectivity for laboratories, compute clusters, virtualization hosts, storage, and government program enclaves while maintaining required environment separation.
Engineer and administer enterprise switches, routers, next-generation firewalls, VPNs, and network access controls, including resilient, high-availability designs.
Serve as senior escalation point for critical network incidents; lead packet-level troubleshooting, root cause analysis, and corrective actions.
Maintain network monitoring, alerting, and performance reporting.
Assess change risk and follow change management procedures for planned changes and maintenance windows, including after-hours work.
Lead network controls supporting CUI protection, NIST SP 800-171, CMMC Level 2, and applicable federal requirements; coordinate hardening and vulnerability remediation.
Partner with cybersecurity staff on logging, incident response, least-privilege access, secure remote access, firewall rule governance, and audit evidence.
Provide senior-level support for Windows Server and Linux services, Active Directory/Group Policy, DNS/DHCP, VMware/Hyper-V, patching, and backup and recovery coordination.
Drive infrastructure deployments and upgrades; develop architecture diagrams, configuration baselines, IP address plans, operating procedures, and disaster recovery documentation.
Evaluate products, guide vendors and service providers, and manage network hardware lifecycle, maintenance contracts, and circuits.
Review designs, share technical expertise with less experienced engineers and administrators, and communicate recommendations and risks to stakeholders.
Follow requirements for handling CUI and classified information and systems.
Perform other duties as assigned.