Cognizant Technology Solutions - Englewood, CO
posted 2 months ago
Full-time - Mid Level
Hybrid - Englewood, CO
Professional, Scientific, and Technical Services
About the position
The Senior Network Engineer position at Cognizant involves managing and implementing network security measures, particularly focusing on firewall rules and virtual IP configurations. This hybrid role requires collaboration with various teams and vendors to ensure the integrity and security of network operations, while also participating in change management processes. The position is integral to supporting the digital transformation initiatives of Cognizant's Cloud, Infrastructure, and Security Services Practice.
Responsibilities
- Verify requests for firewall rule openings and implement changes in Checkpoint and Cisco firewalls.
- Manage requests for new virtual IP creation in F5 LTM and GTM, ensuring compliance with change processes.
- Handle GRE and IPSec VPN tunnels and troubleshoot related issues in Cisco and Checkpoint devices.
- Work within a Service Now Ticketing environment to manage incidents and requests.
- Participate in Change Management Calls to present and seek approval for changes.
- Test, fix, and validate F5 and firewall changes with application team validators.
- Collaborate with vendor support teams to resolve infrastructure-related issues.
Requirements
- Good interpersonal skills.
- Experience with Checkpoint Firewalls, Cisco ASA or FTD, and F5 load balancers (LTM/GTM).
- Strong understanding of networking concepts such as DHCP, DNS, IP Address management, NAT, IPSec VPN, NTP, and SNMP.
- Debugging and fixing skills with F5 GUI, CLI, log files, and TCPDUMP processes in an enterprise network environment.
- Basic understanding of enterprise routing (EIGRP, BGP, VRFs) and switching (virtual and stack switches).
- Ability to work collaboratively with teams across different geographies.
Nice-to-haves
- F5 configuration scripting and automation capabilities.
- Understanding of CISCO ACI and AWS.
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
