Red Team Network Engineer IV

Millennium Corporation•Baltimore, MD

55d•$150,000 - $170,000•Onsite

About The Position

Millennium Corporation is hiring a Red Team Network Engineer IV to work in Baltimore, MD. This role involves designing, implementing, and sustaining a secure, scalable cyber range network to support various cybersecurity operations including Red Team operations, adversary emulation, penetration testing, malware analysis, cyber research, and operator training. The engineer will architect and deploy isolated Layer 2/Layer 3 network infrastructure, integrate enterprise networking, compute, virtualization, and storage platforms, and implement secure network segmentation and access controls. Responsibilities also include configuring and optimizing virtualized infrastructure, performing infrastructure integration and troubleshooting, developing technical documentation, conducting infrastructure testing, and collaborating with various stakeholders. The role also provides technical leadership, recommending improvements, supporting capacity planning, and mentoring junior engineers. Additionally, there are responsibilities related to Business Development, including technical interviews, documentation creation, and proposal support. The physical requirements include prolonged periods of sitting and working on a computer, and the ability to lift up to 10-15 pounds.

Requirements

ALL candidates MUST have an active secret clearance with TS/SCI eligibility to qualify for consideration.
Bachelor's degree in Computer Science, Information Technology, Engineering, or related discipline (or equivalent experience).
8+ years designing enterprise network infrastructure.
Experience designing isolated laboratory or cyber range environments.
Strong Layer 2/Layer 3 networking experience.
Experience with Cisco enterprise switching.
Experience implementing VLANs, STP, LACP, routing, and ACLs.
Experience configuring enterprise firewalls.
Experience deploying fiber infrastructure.
Experience integrating enterprise storage.
Experience with virtualization networking.
Experience producing technical documentation.

Nice To Haves

Experience with VMware, Proxmox, Hyper-V, or KVM.
Experience with pfSense or OPNsense.
Experience with Active Directory, DNS, DHCP, Windows Server, and Linux.
Experience with Docker, Kubernetes, Ansible, Terraform, Git, Python, or PowerShell.
Experience with DISA STIGs, RMF, and NIST 800-53.
Experience supporting Red Team infrastructure, adversary emulation, malware analysis, or MITRE ATT&CK.

Responsibilities

Design, implement, and sustain a secure, scalable cyber range network supporting Red Team operations, adversary emulation, penetration testing, malware analysis, cyber research, and operator training.
Architect and deploy isolated Layer 2/Layer 3 network infrastructure, including routing, switching, VLANs, segmentation, IP addressing, and high-performance network services.
Install, configure, and integrate enterprise networking, compute, virtualization, and storage platforms into a mission-ready cyber range environment.
Implement secure network segmentation, firewalls, access controls, and management boundaries to protect operational environments and ensure isolation from external networks.
Configure and optimize virtualized infrastructure, storage connectivity, and shared services to support resource-intensive cyber operations and concurrent training environments.
Perform infrastructure integration, validation, troubleshooting, and performance optimization to ensure high availability, resiliency, interoperability, and operational readiness.
Develop and maintain comprehensive network diagrams, architecture documentation, configuration baselines, installation procedures, and operational support documentation.
Conduct infrastructure testing and acceptance activities, verifying compliance with technical, security, and government requirements while resolving identified deficiencies.
Collaborate with system administrators, cybersecurity engineers, software developers, cyber operators, and government stakeholders to enhance cyber range capabilities and support mission objectives.
Provide technical leadership by recommending infrastructure improvements, supporting future expansion and capacity planning, mentoring junior engineers, and ensuring delivery of a maintainable, mission-ready cyber range.
Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews.