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Senior Network Security Engineer

Centene Corporation
Remote-MO, United States, United StatesRemotefull_timeVerifiedPosted 11 Aug 2025
💰 $158,100/yr($85,300/yr$158,100/yr)

About the role

You could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world.  As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility.
 

Position Purpose:

A Senior Network Security Engineer is expected to be knowledgeable in all aspects of firewall deployment, configuring, and management. This expertise includes policies, and threat prevention. Additional responsibilities may include implementing firewall policies, NAT rules, VPN configurations, security zones, troubleshooting, and root cause analysis for network security incidents and firewall-related issues. The role requires an in-depth understanding of network protocols, server hardware and software, and operating systems. The person in this position must be capable of working independently in a faced-paced and geographically dispersed remote team.

  • Design and implement Checkpoint firewall policies, NAT rules, VPN configurations, and security zones.
  • Deploy, configure, and manage firewalls including policies, NAT, VPN, IPS, and threat prevention features.
  • Perform troubleshooting and root cause analysis for network security incidents and firewall-related issues.
  • Manage security zones, access control policies, and URL filtering.
  • Plan and execute firewall upgrades, patches, and migrations with minimal downtime.
  • Monitor and respond to security events and incidents related to firewalls and network devices.
  • Perform log analysis, packet captures, and troubleshooting using.
  • Perform regular firewall rule reviews to optimize security and ensure compliance with security best practices while ensuring business continuity.
  • Manage and optimize traffic management.
  • Involve in security audits, vulnerability assessments, and incident response to ensure network security compliance.
  • Monitor network performance and proactively address bottlenecks, latency issues, and security breaches.
  • Maintain detailed documentation for firewall configurations, security policies, and network diagrams.
  • Performs other duties as assigned.
  • Complies with all policies and standards.

Education/Experience:

A Bachelor's degree in a quantitative or business field (e.g., statistics, mathematics, engineering, computer science) and Requires 4 – 6 years of related experience.

Or equivalent experience acquired through accomplishments of applicable knowledge, duties, scope and skill reflective of the level of this position.

Technical Skills:

  • Extensive experience in Network Security Engineering and firewall administration.
  • Experience in log analysis, incident response, and security monitoring.
  • Hands-on with VPNs (SSL/IPSec), NAT, IDS/IPS, Threat Prevention, and URL Filtering.
  • In-depth knowledge of TCP/IP, routing, VLANs, NAT, VPN, IPS, IDS, and general network architecture.
  • Understanding of network protocols (TCP/IP, BGP, OSPF, VLANs, DHCP, DNS, NAT, SNMP, IPsec, GRE, VXLAN).
  • Exposure to SIEM tools, packet capture tools, and security monitoring systems.
  • Experience with vulnerability scanners, and compliance frameworks (e.g., PCI-DSS, ISO 27001).
  • Security certifications desired.
  • Must have an excellent understanding of security architecture and integration.
  • Experience with change management and ITIL-based processes.
  • Ability to work independently and as part of a dispersed security team.
  • Strong troubleshooting and analytical skills.


Soft Skills:

  • Intermediate - Seeks to acquire knowledge in area of specialty
  • Intermediate - Ability to identify basic problems and procedural irregularities, collect data, establish facts, and draw valid conclusions
  • Intermediate - Ability to work independently
  • Intermediate - Demonstrated analytical skills
  • Intermediate - Demonstrated project management skills
  • Intermediate - Demonstrates a high level of accuracy, even under pressure
  • Intermediate - Demonstrates excellent judgment and decision making skills

Pay Range: $85,300.00 - $158,100.00 per year

Centene offers a comprehensive benefits package including: competitive pay, health insurance, 401K and stock purchase plans, tuition reimbursement, paid time of

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Company

Centene Corporation

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