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General Dynamics Information Technology

Senior Network Security Engineer

General Dynamics Information Technology
Bethesda, MD $119k - $161k/yr Full time Posted 49m ago
Senior Cisco Asa Cybersecurity Operations Cybersecurity Tools Data Security Facilities Management Information Security InfoSec Management Network Security Project Management Risk Management Security Security Configuration Security Engineering
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Job Description

Work in a hybrid environment in Bethesda, MD while supporting a 24x7x365 security operations environment. This role focuses on keeping security infrastructure stable and compliant, with hands-on ownership across deployment, monitoring, upgrades, and remediation. The position offers an annual salary range of USD 119,000 - 161,000 and supports a weekly on-call rotation with the security team.

What you will own

You will be responsible for configuring, deploying, and managing security appliances and infrastructure in a continuous operations setting. Daily support includes tickets for service requests, incidents, problems, and tasks, along with troubleshooting and remediation coordination with other IT teams to keep security solutions operating to standard.

  • Administer Cisco ASA Firewalls and LAN technologies
  • Administer firewalls and related platforms, including Cisco ASA, ACS, RSA, Cisco AnyConnect, Gigamon, Cisco VPN, and Palo Alto
  • Troubleshoot and resolve client/user LAN and security issues
  • Coordinate with other IT functional teams to maintain cohesive support and strategies
  • Support project plan development and execute authorized tasks
  • Maintain relationships with key third-party software and hardware vendors to support the infrastructure as needed
  • Perform auditing and compliance activities for security infrastructure
  • Support firewall hardware refreshes, including rack and stack

Security operations, upgrades, and compliance

  • Implement configuration changes and code upgrades to address vulnerabilities identified by internal and external audits
  • Support vulnerability mitigation
  • Scrap IOS code version bugs with Cisco SME/TAC
  • Test IOS code versions in a lab before production deployment
  • Conduct quarterly IOS code upgrades
  • Audit newly deployed firewalls to verify compliance
  • Provide daily support for tickets and participate in 24-hour availability for the weekly on-call rotation

Required background

  • BS degree in Computer Science, Information Systems, or equivalent
  • Minimum 4 years implementing and maintaining Cisco ASA, VPN, ACS, AnyConnect, and Gigamon
  • Minimum 4 years in a Network Security Engineering role
  • Experience with enterprise datacenter network infrastructure
  • Experience with mid to large scale Cisco firewall implementations
  • Ability to obtain a Public Trust

Additional details

  • Location: Bethesda, Maryland (Hybrid Workplace)
  • Travel Required: Less than 10%
  • Work Requirements: 4+ years related experience (may vary based on training, certification(s), or degree)
  • Certification: CCNP (Certified Network Professional Enterprise) | Cisco - Cisco
  • Public Trust: NACI (T1)
  • Clearance Level: None

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