Senior Cybersecurity Architect

Responsibilities

The Senior Cybersecurity Architect to support our customer onsite in Annapolis Junction, MD who will provide enterprise‑level technical leadership across secure network architecture, virtualization platforms, cybersecurity engineering, and modernization initiatives. This role is responsible for designing, implementing, and optimizing secure system architectures to support mission‑critical DoD and Intelligence Community environments. The architect partners with cross‑functional teams to drive cybersecurity strategy, ensure compliance with federal security standards, and deliver resilient, scalable solutions across diverse network and compute landscapes.

Key Responsibilities

• Design, implement, and maintain secure enterprise architectures spanning LAN, WAN, low‑bandwidth, and mission‑specific networks using approved network encryptors.
• Architect advanced VMware NSX Software Defined Networking (SDN) solutions, ensuring secure segmentation, optimized performance, and resilient virtual infrastructure deployments.
• Develop secure designs using Cisco routers, switches, firewalls, and unified communications systems; provide senior‑level troubleshooting and optimization guidance.
• Engineer and integrate network management solutions leveraging Net Flow, SNMP, and other telemetry‑based technologies to enhance situational awareness and security visibility.
• Lead the design, deployment, and modernization of VMware environments utilizing hybrid virtual/physical IP networks, Fiber Channel, and advanced routing protocols.
• Apply automation, Dev Ops principles, and scripting to improve deployment consistency, repeatability, and security hardening.
• Conduct architecture reviews, risk assessments, and threat modeling to ensure secure‑by‑design implementation of enterprise technologies.
• Serve as a senior technical advisor to leadership, Cyber‑engineering teams, mission partners, and stakeholders on cybersecurity architecture decisions and security posture improvements.
• Identify emerging technologies, evaluate their applicability, and recommend adoption strategies aligned with Zero Trust and DoD cybersecurity modernization goals.
• Monitors, analyzes, and detects cyber events and incidents within information systems and networks under general supervision. Assists with integrated, dynamic cyber defense, coordinates and maintains security toolsets to support organizations’ continuous monitoring and ongoing authorization programs.
• Establishes a framework by which cyber risk can be measured and quantified in the marketplace.
• Determines security requirements by evaluating business strategies and requirements; researching information security standards; conducting system security and vulnerability analyses and risk assessments; studying architecture/platform; identifying integration issues; preparing cost estimates.
• Implements security systems by specifying intrusion detection methodologies and equipment; directing equipment and software installation and calibration; preparing preventive and reactive measures; creating, transmitting, and maintaining keys; providing technical support; completing documentation.
• Verifies security systems by developing and implementing test scripts.
• Maintains security by monitoring and ensuring compliance to standards, policies, and procedures; conducting incident response analyses; developing and conducting training programs.
• Responsible for the design, development, implementation, and integration of a DoD IA architectures, systems, or system components for use within computing, network, and enclave environments.
• Ensures that the architecture and design of development and operational systems are functional and secure.
• This includes designs for program of record systems and special…