Network & Security Engineer (Secret) — Gov Cloud

Centurion; Vienna (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

Centurion is seeking a network and security engineer in Virginia to design, implement, and maintain enterprise infrastructure across on-prem and cloud environments. The role requires hands-on expertise with Cisco devices, Palo Alto and Cisco Firepower firewalls, and cloud networking in AWS/Azure, including Gov cloud offerings.

The ideal candidate has 4–7 years of related experience, is familiar with NIST 800-53, FISMA, and FedRAMP, and is able to interface with users while providing after-hours

Qualifications

• 4–7 years of network/security engineering experience.
• Hands-on Cisco experience with Catalyst/Nexus switches, routers, and IOS-XE.
• Experience with Palo Alto and Cisco Firepower firewalls.
• Cloud networking in AWS or Azure, including VNets and route tables.
• Experience with Azure Government or AWS Government.
• Understanding of Zero Trust Architecture.
• Familiarity with NIST 800-53, FISMA, FedRAMP.
• Ability to perform updates and troubleshoot complex issues.
• Willingness to on-site Mon–Fri with after-hours/weekend support.

Responsibilities

• Design, configure, and maintain enterprise network and security infrastructure (on-prem and cloud).
• Support cloud migration and hybrid connectivity efforts.
• Implement and enforce security policies aligned with federal compliance requirements.
• Troubleshoot network incidents and participate in change management processes.
• Perform software/firmware updates and resolve complex technical issues.
• Interface with users and customers on requests and issues.
• Contribute to architecture documentation and ATO/assessment activities.
• Provide after-hours and weekend support as needed.

Skills

Network security

Cisco experience

Palo Alto

Cisco Firepower

Cloud networking

Zero Trust

NIST 800-53

FISMA

FedRAMP

On-site support

Customer interfacing

Tools

AWS

Azure

Job description

Centurion is seeking a network and security engineer in Virginia to design, implement, and maintain enterprise infrastructure across on-prem and cloud environments. The role requires hands-on expertise with Cisco devices, Palo Alto and Cisco Firepower firewalls, and cloud networking in AWS/Azure, including Gov cloud offerings.

The ideal candidate has 4–7 years of related experience, is familiar with NIST 800-53, FISMA, and FedRAMP, and is able to interface with users while providing after-hours