Senior Network Specialist
Skills
About This Role
About TestCrew
TestCrew is currently hiring experienced professionals to join our growing team.
As a global leader in quality engineering and digital assurance, we support organizations in building secure, scalable, and high-performing technology environments.
We are looking for skilled network and security experts who are passionate about solving complex challenges and delivering robust solutions.
Role Title: Senior Network & Security Engineer (L3 Support)
Role Overview
We are seeking a highly skilled Senior Network & Security Engineer to provide advanced (Level 3) technical support, ensure solution readiness, and drive excellence in network and security operations.
The ideal candidate will play a key role in troubleshooting complex issues, supporting deployments, and ensuring alignment with security and compliance standards.
Key Responsibilities
Support testing, validation, and handover activities to ensure solution readiness and operational stability
Prepare and review technical documentation, including high- and low-level design documents, configuration guides, and implementation reports
Provide Level 3 troubleshooting for complex issues related to routing, traffic flow, VPNs, and security integrations
Collaborate with internal teams, vendors, and clients to resolve escalated technical issues in a timely manner
Ensure all solutions align with security best practices, business requirements, and applicable compliance standards
Required Skills & Expertise
Strong experience in network and security engineering, including routing, switching, VPNs, and firewall technologies
Deep understanding of network protocols, traffic analysis, and security architectures
Hands-on experience with enterprise security solutions (e.g., Fortinet, Palo Alto, Cisco Security)
Proven ability to troubleshoot and resolve complex technical issues in production environments
Experience
in preparing and reviewing technical documentation
Strong communication and stakeholder management skills
Preferred Certifications
CCNP or CCIE
Palo Alto PCNSE
Cisco Security certifications
CISSP, CISM, or equivalent
Relevant cloud or network security certifications
Nice to Have
Experience
working in multi-vendor environments
Exposure to cloud networking and security (AWS, Azure, GCP)
Familiarity with automation and monitoring tools
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