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Senior Network Security Architect

2 months ago

Washington, Washington, D.C., United States ManTech Full time

Secure Our Nation, Ignite Your Future

At ManTech International Corporation, we're seeking a highly motivated and career-oriented Senior Network Security Engineer to join our team supporting a large U.S. Government program within the National Capitol Region.

Key Responsibilities:

  • Manage and implement physical and cloud-based firewalls, proxies, VPN concentrators, and related network protection technologies.
  • Develop, implement, and sustain network operating rules, objects, and flows across complex global enterprises.
  • Collaborate with analysts, engineers, and data scientists to deliver continuous improvement in cyber defense and resilience.
  • Work with and provide guidance to Security Operations and other Information Security teams on security strategies, processes, response, and technologies.
  • Provide support to Incident Response on security incidents, including mock security incident exercises.
  • Critically analyze network infrastructure to identify opportunities to improve efficiencies and reduce the threat profile.
  • Provide mentorship and training on areas of expertise to Information Security and other internal teams.
  • Participate in audits covering network security services and technologies.
  • Participate in proactive research and provide recommendations for continuous improvement on information security technologies, processes, and services.
  • Participate in on-call coverage and perform effective escalation of problems and issues.
  • Present project status reports to senior management, adhere to policies and practices relative to technical guidelines and change management processes, and may contribute to the development of new policies and practices by suggesting innovative ideas.
  • Work closely with business and application owners on design, troubleshooting, support, and documentation of new application deployments and enhancements.
  • Perform internal audits and reviews to ensure compliance with all security policies and procedures, including internal penetration and vulnerability scans.
  • Evaluate new and emerging network security trends, products, and technologies.

Basic Qualifications:

  • Requires a Bachelor's degree or equivalent in Computer Science or a related field.
  • A minimum of five years of experience with researching, evaluating, testing, recommending, and implementing new security software or devices.
  • Experience in managing an organization's firewalls and intrusion detection systems.
  • Experience with developing, testing, and operating firewalls, intrusion detection systems, enterprise anti-virus systems, and software deployment tools.
  • Familiarity with current network security technological developments and applications.
  • Experience with evaluating vendor products to make recommendations for purchase.

Security Clearance Requirements:

  • Active Top Secret clearance.

Physical Requirements:

  • Work to be performed at a government facility in the National Capitol Region.
  • Must be able to communicate, converse, and exchange information with peers and senior personnel.
  • The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.