Senior Network Security Engineer

Job Overview

• Serve as a Tier 3

escalation point for complex firewall and network security issues.

• Provide advanced

troubleshooting and root cause analysis for Cisco Secure Firepower Firewall incidents.

• Perform day-to-day

firewall operational support using Cisco Secure FMC, including but not limited to:

• Creating and maintaining

operational and compliance reports,

• Monitoring firewall

health and system performance,

• Analyzing traffic flows

and connection behavior, and

• Supporting routing

protocols within secured environments.

• Troubleshoot and support

VPN technologies, including site-to-site and remote access VPNs.

• Analyze, implement, and

optimize firewall access control and security policies.

• Participate in formal

change management processes, including documentation, peer review, approvals, and scheduled implementations.

• Execute approved changes

during after-hours change windows, as required.

• Participate in a

team-based on-call rotation to support after-hours and emergency incidents.

• Collaborate with

engineering teams and operational stakeholders to meet Managed Network Services (MNS) obligations.

Required Skills

General Abilities

• Familiarity with

large-scale enterprise or government environments

• Strong written and

verbal communication skills

• Ability to clearly

document technical findings, configurations, and change activities

• Ability to communicate

effectively within structured, process-driven environments

General Technical Skills

• Strong understanding of

routing concepts and protocols in secured network environments

Specific Technical Skills

• Strong hands-on

experience with Cisco Secure Firepower Firewalls

• Advanced troubleshooting

experience, including but not limited to:

• Snort 3 (Intrusion

Prevention System [IPS] and file policies)

• Traffic flow analysis

and packet inspection

• NAT and/or PAT

configuration and troubleshooting

• Security Intelligence

policies

• Access control rule

analysis

• OSI Layers 1 through 7,

with particular emphasis on Layers 1 through 4

• Solid operational

experience with Cisco Secure FMC

• Proven experience in

troubleshooting VPN technologies (i.e., Cisco Secure Client/AnyConnect)

Desired Skills

• Experience with Cisco

Catalyst SD-WAN

• Familiarity with

ServiceNow and/or similar ITSM tools for incident and change management

• Experience creating,

editing, and maintaining network topology diagrams

• Experience in Microsoft

Pay: $70.00 - $80.00 per hour

Benefits:

• Employee assistance program

• Flexible schedule

• Relocation assistance

Work Location: In person