Enter a job title or keyword

Senior Network Security Engineer

Ampcus Inc.


Job Location:

Mechanicsville, PA - USA

Monthly Salary: Not provided by the employer
Posted: 8 September 2026 (11 hours ago)
Application Deadline: 6 December 2026
Vacancies: 1 Vacancy

Job Summary

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Job Title:Senior Network Security Engineer

Location(s):Mechanicsville VA


Complete Description:
We are seeking an experienced Sr. Network Security Engineer (Sr. NSE) to implement and support the organizations IT network cloud and computing infrastructure. The Sr. NSE performs day-to-day activities related to securing the organizations infrastructure including documentation research analysis design and implementation of network and computing infrastructure.

The Sr. NSE will support a hybrid enterprise environment consisting of approximately 300 statewide locations Palo Alto firewalls Azure networking ExpressRoute connectivity WAF technologies Splunk SIEM SD-WAN and mission-critical public-facing applications. The role partners closely with Infrastructure Cloud Engineering and the Information Security Office to maintain the confidentiality integrity and availability of the organizations network infrastructure.

Key Responsibilities:

  • Ensure network security architecture aligns with operational security standards before and after deployment.
  • Lead investigation and containment of network security incidents.
  • Review firewall rule requests and ensure compliance with security standards.
  • Design and maintain secure hybrid network architecture across on-premises and Azure environments.
  • Monitor security events using SIEM technologies and coordinate incident response activities.
  • Perform network security assessments and recommend remediation strategies.
  • Develop and maintain network security standards diagrams and operational documentation.
  • Support penetration testing and remediation efforts.
  • Participate in on-call support during critical security incidents.
  • Conduct proactive threat hunting and anomaly detection.
  • Validate WAF and firewall placement integration exposure and connectivity. Lead the implementation review and management of enterprise WAF solutions.
  • Identify and diagnose system problems and security threats using system logs line monitors SIEM platforms diagnostic software and test equipment.
  • Identify prioritize and remediate network security vulnerabilities.
  • Provide documentation network architecture topology diagrams IP addressing schemes firewall rules and access control documentation as required.
  • Work independently on assigned projects.

Skills:

SkillRequired / DesiredAmountof ExperienceExpertise RatingMove
Enterprise Networking8Years
Enterprise Security5Years
Azure Networking3Years
WAF/NGFW3Years
Supporting environments with 300 Network DevicesDesired3Years
Candidate must have experience in the following areas: Incident response Security investigations Log analysis Threat intelligence Security monitor
Candidate must have experience with the SIEM products (e.g. Splunk Microsoft Sentinel)
Candidate must have experience in vulnerability management and remediation tracking as well as vulnerability scanning tools (e.g. Nessus Tenable Def
Candidate must have experience in the following areas: Active Directory MFA Conditional Access Certificates
Candidate must have experience with; SEC530 CIS Benchmarks NIST CSF NIST 800-53 Zero Trust principles
Candidate must have experience with the following: Cisco Client NAC 802.1X RADIUS TACACS
Candidate must have experience with the following products: Palo Alto F5 Distributed Cloud Azure WAF Cisco VPN Global Protect F5 BIG-IP
Candidate must have experience working in highly regulated environments and leading technical troubleshooting during outages
Candidate must have ability to communicate technical issues to technical and executive audiences and an ability to mentor junior engineers.
Candidate should have achieved or ability to achieve the following certifications: Azure Security Engineer (AZ-500) Azure Network Engineer (AZ-700)

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age protected veterans or individuals with disabilities.


Required Experience:

Senior IC