Senior Network Security Engineer

General Dynamics Information Technology • Bethesda, MD

1d • Hybrid

About The Position

The Senior Network Security Engineer configures, deploys, and manages customer security appliances and infrastructure in a 24x7x365 environment. The role covers monitoring, configuration changes, account management, and software updates for internal and border security systems. The engineer analyzes, troubleshoots, and remediates enterprise issues and works with other teams to ensure security solutions perform to standard.

The position is based in Bethesda, Maryland, with primarily local travel in the DC metro area and a hybrid work arrangement. It includes a weekly security-team on-call rotation with 24-hour availability. Scheduled hours are 40 per week, and required travel is less than 10%.

Requirements

• Bachelor of Science degree in Computer Science, Information Systems, or equivalent.
• At least four years of experience implementing and maintaining Cisco ASA, VPN, ACS, AnyConnect, and Gigamon.
• At least four years of experience in a Network Security Engineering role.
• Experience with network infrastructure in enterprise datacenter solutions.
• Experience with mid- to large-scale implementations of Cisco firewalls.
• Ability to obtain a Public Trust.

Responsibilities

• Administer LAN technologies for Cisco ASA firewalls.
• Administer firewalls and related technologies, including Cisco ASA, ACS, RSA, Cisco AnyConnect, Gigamon, Cisco VPN, and Palo Alto.
• Troubleshoot and resolve a wide variety of client and user LAN/security issues.
• Work with other IT functional teams to coordinate support and strategies across the IT organization.
• Support project-plan development and execute authorized plans.
• Maintain relationships with third-party software and hardware vendors to support infrastructure.
• Provide daily support for service requests, incidents, problems, and tasks.
• Execute tasks supporting projects.
• Perform auditing and compliance activities.
• Make configuration changes and perform code upgrades to address vulnerabilities identified by internal and external audits.
• Mitigate vulnerabilities.
• Review IOS code-version bugs with Cisco SMEs or TAC, test IOS code versions in a lab before production implementation, and perform quarterly IOS code upgrades.
• Audit newly deployed firewalls for compliance.
• Provide 24-hour availability during the weekly on-call rotation with the security team.
• Perform firewall hardware refreshes, including rack-and-stack work.

Benefits

• Medical plan options, including options with Health Savings Accounts.
• Dental plan options.
• Vision plan.
• 401(k) plan with pre-tax and post-tax contribution options and a company match.
• Full flex work weeks where possible.
• Paid time off plans, including vacation, sick and personal time.
• Paid holidays.
• Paid parental leave.
• Military, bereavement, and jury duty leave.
• Short- and long-term disability benefits.
• Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior