Sr Network Engineer
Cognizant · Cambridge, MA · 1 wk ago
On-siteInformation Technology$90k–$105k/yrFull-time
About the role
Design, implement, and maintain enterprise LAN/WAN, wireless, and data center network infrastructure, ensuring high availability and performance.
Responsibilities
- Configure and troubleshoot routers, switches, firewalls, and load balancers (Cisco, Juniper, Palo Alto, or similar) across multiple sites.
- Monitor network performance and capacity, proactively identifying and resolving issues to minimize downtime and latency.
- Manage network security controls including firewalls, VPNs, ACLs, and intrusion detection/prevention systems in line with company security policies.
- Lead network upgrade, migration, and expansion projects, including planning, testing, and documentation.
- Collaborate with cross-functional IT teams (systems, security, and application teams) to support infrastructure and business initiatives.
- Provide onsite hands-on support for hardware installations, cabling, data center operations, and incident response.
- Mentor junior network engineers and maintain up-to-date network documentation, diagrams, and standard operating procedures.
Requirements
- Experience: 8-12 years in network engineering.
- Technical Skills: Proficiency with Cisco, Juniper, Palo Alto, or similar network devices.
- Security Knowledge: Understanding of firewalls, VPNs, ACLs, and intrusion detection/prevention systems.
- Project Management: Ability to lead and manage network upgrade and expansion projects.
- Collaboration: Strong collaboration skills with cross-functional IT teams.
- Documentation: Ability to maintain up-to-date network documentation, diagrams, and standard operating procedures.
Qualifications
- BS/BA degree in Computer Science, Electrical Engineering, or related field.
- CCIE or equivalent certifications preferred.
- Hands-on experience with network infrastructure design and implementation.
- Proven ability to troubleshoot and resolve complex network issues.
- Strong problem-solving and analytical skills.
- Excellent communication and interpersonal skills.
Skills
- Network Infrastructure Design and Implementation
- Router, Switch, Firewall, Load Balancer Configuration and Troubleshooting
- Network Security Controls Management
- Project Management
- Collaboration with Cross-Functional Teams
- Documentation and Standard Operating Procedures Maintenance
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Pay
The annual salary for this position is between $90,000- $105,000 depending on experience and other qualifications of the successful candidate.
Schedule
N/A
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan