Sr. Network Engineer / Architect

GovCIO; Town of Florida (NY); On-site; USD 143,230 - 155,000; Full time

Job summary

GovCIO is seeking a Sr. Network Engineer to support enterprise network assets for SOUTHCOM in an onsite role in Doral, FL. You will define architectures, ensure secure operations on classified networks (SIPR/NIPR/JWICS), and coordinate with ISSOs and RMF teams.

The role requires TS/SCI, 9+ years of relevant experience and hands-on Cisco technologies (IOS/NX-OS), firewalls, ISE, and DISA STIG compliance. Bachelors preferred with strong networking expertise.

Qualifications

• 12+ years experience or 13 total years with no degree.
• Clearance Level: TS/SCI.
• 5 years of the total experience should be relevant network engineering experience.
• Deep understanding of networking protocols (TCP/IP, DNS, DHCP, routing) and network security principles.
• Expertise with Cisco networking technologies (IOS, NX-OS) and security appliances (ASA, ISE).
• Familiarity with RMF, NIST CSF, and DISA STIGs.

Responsibilities

• Defines network and system requirements based on user/client needs, cost, and integration with existing applications, systems, or platforms.
• Designs and develops network and system architectures and defines key capabilities and performance requirements.
• Maintains connectivity of enterprise network assets, ensuring compliance and secure operations on classified networks (SIPR, NIPR, JWICS).
• Collaborates with stakeholders to address connectivity requirements and implements configurations.
• Ensures switches/routers are operational and compliant with DISA STIGs; performs maintenance and troubleshooting.
• Configures, maintains, and monitors firewalls, IDS/IPS, and Cisco ISE for NAC and authentication; implements security measures.
• Supports planning and implementation of enterprise service connections across domains, including cross-domain solutions.
• Collaborates with ISSOs and RMF leads in RMF process; mentors junior engineers.

Skills

TCP/IP

DNS

DHCP

Routing protocols

Network security

Cisco IOS

NX-OS

ASA firewalls

ISE

RMF

NIST CSF

SIPR/NIPR/JWICS

Education

BA/BS in field

High School Diploma or equivalent

Tools

Cisco IOS

NX-OS

ASA

ISE

Job description

Overview

GovCIO is currently hiring for a Sr. Network Engineer to support enterprise network assets in with our SOUTHCOM customer. This position is located in Doral, FL and will be an onsite position.

Responsibilities

• Defines network and system requirements based on user/client needs, cost, and required integration with existing applications, systems, or platforms.
• Designs and develops network and system architectures and defines key capabilities and performance requirements.
• Plans, designs, and maintains the connectivity of enterprise network assets, ensuring compliance and secure operations on classified networks (SIPR, NIPR, JWICS).
• Collaborates with stakeholders to address connectivity requirements and implements necessary configurations to facilitate efficient and secure data transmission.
• Ensures all network switches and routers are operational, properly configured, and compliant with DISA STIG requirements; performs regular maintenance, updates, and troubleshooting.
• Configures, maintains, and monitors firewalls, intrusion protection systems, intrusion detection systems, and Cisco Identity Services Engine (ISE) for network access control and authentication, and implements security measures for specialized systems and networks.
• Supports the planning and implementation of enterprise service connections between networks, systems, and applications across domains, facilitating connections for auditing, authentication, secure cloud computing architecture (SCCA), and cross-domain solutions and guards.
• Collaborates with ISSOs and Cybersecurity Services Leads in the Risk Management Framework (RMF) process, providing inputs and documentation, and mentors/trains other NOC staff and Junior Engineers.

Qualifications

Required Education and Experience:

• High School Degree with 12+ yrs experience (or commensurate)
• Clearance Level: TS/SCI
• BA/BS in field and 9 years of experience, or 13 total years of experience without a degree.
• 5 years of the total experience should be relevant network engineering experience
• Deep understanding of networking protocols (TCP/IP, DNS, DHCP, routing protocols) and network security principles.
• Expertise in configuring and managing network devices, including routers, switches, firewalls, and intrusion detection/prevention systems, with hands‑on experience with Cisco networking technologies (e.g., IOS, NX‑OS) and security appliances (e.g., ASA firewalls, ISE).
• Familiarity with network monitoring and management tools, knowledge of virtualization and cloud networking concepts, and experience with securing classified networks (SIPR, NIPR, JWICS) and implementing DISA STIGs.
• Experience in cybersecurity frameworks and standards (e.g., NIST Cybersecurity Framework, RMF), knowledge of network access control and authentication mechanisms, ability to assess and mitigate network security risks.
• DoD 8570.01‑M IAT Level II certification.

Preferred Skills And Experience

• Master’s degree in computer science, IT, or a relevant discipline.
• Experience with cross-domain solutions and guards. Knowledge of cloud computing security architectures (e.g., SCCA).
• Experience with scripting and automation tools for network management. Familiarity with ITIL framework and service delivery concepts. ITIL Foundation certificate.
• Relevant networking certifications (e.g., Cisco CCNP, CCIE).
• Experience at a DoD Combatant Command (e.g., SOUTHCOM, NORTHCOM, CENTCOM, CYBERCOM, INDOPACOM, EUCOM, AFRICOM, STRATCOM, TRANSCOM, SOCOM, SPACECOM) or a component is desired.

Salary

Posted Salary Range: USD $143,230.00 - USD $155,000.00 /Yr.