Senior Network Engineer
Confirmed on the employer's own hiring board on Nov 14, 2026. First seen by Alion on Oct 14, 2026.
Senior Network Engineer
Enterprise Network Infrastructure and Security
Position
Senior Network Engineer
Experience
7+ Years
Work Model
Remote
Employment Type
Contract
Position Summary
We are seeking a Senior Network Engineer to provide operational support, engineering, deployment, administration, and continuous improvement of enterprise network services. The role requires advanced hands-on experience across firewalls, routing, switching, Software-Defined Wide Area Networking (SD-WAN), wireless infrastructure, network monitoring, and cloud networking. The engineer will collaborate with technical and business stakeholders to maintain secure, stable, resilient, and supportable network platforms across data-center, cloud, and office environments.
Key Responsibilities
- Provide subject-matterexpertisefor enterprise-class network infrastructure supporting geographically distributed business locations.
- Support and maintain production and non-production network environments across data-center, cloud, and office locations.
- Administer and troubleshoot Palo Alto Networks firewall environments, including policy changes, security advisories, operational support, and lifecycle activities.
- Monitor enterprise networks using multiple monitoring and management platforms; investigate events, identify root causes, and restore stable service.
- Maintain network infrastructure through operating-system and application upgrades, vulnerability remediation, configuration management, and lifecycle planning.
- Work with internal teams, business stakeholders, and external vendors to resolve network incidents, problems, performance issues, and service risks.
- Develop, implement, and maintain technical standards, operating procedures, asset-management practices, change controls, usage reporting, and disaster-recovery procedures.
- Participate in product evaluation, systems testing, certification, implementation planning, and production transition activities.
- Provide guidance and cross-training to network engineers and contribute to technical knowledge management.
- Participate in scheduled and unscheduled maintenance and provide on-call or after-hours support when required.
Required Experience
- 7+ years of relevant experience supporting enterprise network environments.
- 7+ years of hands-on experience with Palo Alto Networks firewalls.
- 7+ years of hands-on experience with Cisco Internetwork Operating System (IOS).
- 7+ years of experience across enterprise switching, routing, and network security.
- 7+ years of experience with Silver Peak or equivalent SD-WAN technologies.
- 7+ years of experience with Microsoft Azure and Amazon Web Services (AWS) cloud networking.
- Experience supporting complex, geographically distributed networks in operationally critical environments.
Required Technical Skills
- Strong knowledge of Palo Alto Networks firewall configuration, policy administration, troubleshooting, upgrades, and security operations.
- Strong knowledge of Cisco IOS-based switching and routing technologies.
- Strong knowledge of Silver Peak or comparable SD-WAN platforms.
- Strong knowledge of enterprise wireless infrastructure management.
- Strong knowledge of network-monitoring and management platforms such as Cisco Catalyst Center, SolarWinds, and ThousandEyes.
- Strong knowledge of network design and operations across switching, routing, wireless, firewalls, and network security.
- Working knowledge of Microsoft Windows Server networking and Microsoft operating-system environments.
- Cloud-networking knowledge covering connectivity, routing, network security, and operational support in Microsoft Azure and AWS.
- Experience with change management, incident and problem resolution, vulnerability remediation, disaster recovery, asset management, and technical documentation.
Preferred Certifications
- Palo Alto Networks Certified Network Security Engineer (PCNSE).
- Cisco Certified Network Associate (CCNA).
- Cisco Certified Network Professional (CCNP).
- Relevant Microsoft Azure or AWS networking certification is advantageous.
Leadership and Professional Competencies
- Ability to coordinate and direct technical activities across multiple teams while remaining hands-on.
- Ability to develop practical solutions within complex operational environments.
- Ability to think strategically while maintaining focus on tactical priorities and service restoration.
- Ability to work independently, prioritize competing assignments, meet deadlines, and adjust priorities to support business objectives.
- Strong written and verbal communication, stakeholder coordination, accountability, and team-oriented collaboration.
- Ability to communicate effectively with technical and non-technical stakeholders.
Education
- Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent relevant professional experience.
Key Skills Matrix
Capability Area
Expected Proficiency
Network Security
Palo Alto Networks firewalls, policy management, security advisories, vulnerability remediation
Routing and Switching
Cisco IOS, enterprise switching, routing, network troubleshooting
SD-WAN
Silver Peak or equivalent Software-Defined Wide Area Networking technology
Cloud Networking
Microsoft Azure and AWS connectivity, routing, security, and operations
Wireless
Enterprise wireless infrastructure management and troubleshooting
Monitoring
Cisco Catalyst Center, SolarWinds, ThousandEyes, event monitoring and performance analysis
Operations
Incident, problem, change, maintenance, on-call support, lifecycle and disaster recovery
Role Logistics
Work Model: Remote
Employment Type: Contract
Working Hours: Full-time, with participation in scheduled and unscheduled maintenance and on-call support as required.