Senior Network Systems Engineer

PeopleTec, Inc.•Colorado Springs, CO

2d•$150,000 - $190,000•Onsite

About The Position

PeopleTec is currently seeking a Senior Network Systems Engineer to support our Colorado Springs, CO location. The ideal candidate will be capable of working with minimal supervision while supporting geographically separated development, engineering, and operations teams. This position is primarily focused on administering, maintaining, securing, and troubleshooting enterprise network infrastructure for on-site and cloud environments. The Senior Network Systems Engineer will serve as a key technical resource for network architecture, Palo Alto firewalls, Cisco switching, routing, VLANs, VPN connectivity, network segmentation, and enterprise infrastructure integration. The role will also support VMware virtualization, server connectivity, cloud infrastructure, automation, and cybersecurity compliance activities in complex enterprise and mission-focused environments.

Requirements

Strong experience supporting enterprise network infrastructure environments, including Palo Alto firewalls and Cisco Nexus/Catalyst switches.
Strong understanding of routing, switching, VLANs, subnetting, enterprise network architecture, and network segmentation principles.
Strong experience supporting firewall, VPN, and secure network connectivity technologies, including IPsec tunnel configuration and troubleshooting.
Demonstrated ability to troubleshoot complex network connectivity, performance, routing, switching, firewall, and VPN-related issues.
Experience supporting VMware enterprise environments and working with virtualization-related infrastructure dependencies.
Familiarity with infrastructure hardening, cybersecurity compliance frameworks, STIGs, RMF, and secure configuration standards.
Experience with scripting, automation, and Infrastructure as Code concepts using tools such as Python, Ansible, Terraform, or similar technologies.
Ability to support physical infrastructure tasks, including racking, cabling, asset labeling, and assisting with server and network device configuration.
Must be a U.S. Citizen
An active DoD TS/SCI clearance is required to perform this work. Candidates are required to have an active TS/SCI clearance upon hire, and the ability to maintain this level of clearance during their employment.

Nice To Haves

Experience developing and maintaining infrastructure automation using Ansible, Terraform, PowerShell, Python, or similar tools.
Experience engineering and supporting cloud-based infrastructure within Azure, AWS, or other approved cloud environments.
Experience designing, deploying, administering, and maintaining VMware virtual infrastructure environments.
Experience supporting VMware technologies such as vCenter, ESXi, vSAN, distributed switching, and related enterprise virtualization solutions.
Experience working in DoD, federal, regulated, or cybersecurity compliance-driven environments.
Relevant certifications such as Palo Alto PCNSA/PCNSE, Cisco CCNA/CCNP, VMware VCP, AWS, Azure, Security+, or equivalent professional certifications.

Responsibilities

Install, configure, and troubleshoot Palo Alto firewalls, including IPsec VPN tunnels, site-to-site connectivity, firewall policies, routing, security rules, and client network/VPN access issues.
Install, configure, maintain, and troubleshoot Cisco Nexus and Catalyst switching platforms across enterprise network environments.
Support enterprise routing, switching, VLAN segmentation, network access, and infrastructure connectivity requirements.
Troubleshoot complex network connectivity, performance, firewall, VPN, switching, virtualization, storage, cloud, and infrastructure-related issues across the enterprise environment.
Support infrastructure hardening efforts in alignment with STIG, RMF, cybersecurity, and organizational compliance requirements.
Assist with physical infrastructure implementation, including racking, cabling, labeling, and initial configuration support for servers, switches, firewalls, and related data center equipment.
Support VMware-based enterprise infrastructure environments, including coordination with virtualization, storage, and systems teams as required.
Engineer, deploy, and support cloud-based infrastructure solutions within Azure, AWS, or other approved cloud environments.
Develop, maintain, and improve infrastructure automation, scripting, and Infrastructure as Code practices to increase operational efficiency, consistency, and repeatability.
Collaborate with software, cybersecurity, networking, and operations teams to support mission and customer requirements
Provide technical mentorship and guidance to junior engineers and team members
Participate in project planning, documentation, system implementation, and operational support activities
Support additional infrastructure specialties and technologies as operational requirements evolve