Senior Network Engineer - Security (Cisco FTD)

Pythian; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible remote work

Wellness budget

Training allowance

Volunteering day

Laptop provided

Job summary

Pythian is seeking a Senior Security Specialist to provide 24/7 network security operations for global clients. You will handle escalations, implement security controls, and optimize secure communication across complex enterprise networks.

You will work with FMC/FTD, VPNs, SD-WAN, and advanced threat prevention while collaborating with global teams and maintaining top-tier client satisfaction.

Qualifications

• Hands-on experience handling network and security issues.
• Expert knowledge of FMC and FTD platforms, incl. installation, configuration and troubleshooting.
• Experience with SSL certificate management.
• Experience with SD-WAN and Versa security features.
• Strong client-facing communication and escalation management.

Responsibilities

• Troubleshoot and resolve network security issues related to FTD firewalls.
• Implement security measures on network infrastructure (firewalls, VPNs, IDS/IPS).
• Create and enforce security policies, ACLs, and NAT rules.
• Configure VPN technologies (site-to-site and remote access).
• Support security incidents including malware and DDoS.
• Provide 24/7 global network support.

Skills

Cisco FMC/FTD

Routing & Switching

Networking fundamentals

VPN technologies

Security incident handling

Troubleshooting

Client-facing communication

Multi-vendor networks

SD-WAN

Security policy creation

Education

Security certification

Tools

Cisco FMC

Cisco FTD

Cisco Catalyst

Cisco Nexus

Arista Cloud

Versa SD-WAN

SSL Certificates

Job description

Why you:

As a Senior Security Specialist, you will be responsible for providing 24/7 network support to clients across the globe in enterprise network operations and handling escalations and severe cases.

If this is you, and you wonder what it would be like to work at Pythian, reach out to us and find out!

Intrigued to see what a life is like at Pythian? Check out #pythianlife on LinkedIn and follow @loveyourdata on Instagram!

Not the right job for you? Check out what other great jobs Pythian has open around the world! Pythian Careers

What you will be doing:

This position is accountable for ensuring:

• Strong hands-on experience in handling, troubleshooting network and security-related issues.
• In-depth knowledge of Cisco FMC and FTD platforms, including installation, configuration, management, and troubleshooting.
• Evaluate diverse security risks in a fast-moving environment and be technically capable of suggesting and carrying out remediation, in accordance with Cisco’s security policies and standards.
• Implement security measures on network infrastructure, such as firewalls, VPNs, intrusion detection and prevention systems, and security policies
• Create and implement security policies, access control lists (ACLs), and NAT rules to ensure secure communication across the network.
• Implement and configure VPN technologies, including site-to-site and remote access VPNs, using FMC/FTD.
• Experience with SSL certificate management, including CSR generation, certificate renewal, installation, and troubleshooting.
• Troubleshoot and resolve network security issues related to FTD firewalls.
• Provide support for network security incidents, including malware detection, DDoS attacks, and firewall policy conflicts.
• Expert knowledge of advanced security features such as intrusion prevention, URL filtering, and malware analysis.
• Extensive working experience on Cisco Catalyst and Nexus switches, along with Arista Cloud based and Routing.
• Expert knowledge of ARP, MAC Address Table, VLAN, Spanning Tree Protocol, Ether channel, Switch Stacking, HSRP/VRRP, Access Lists (ACL), and NAT.
• Hands-on experience in Enterprise LAN and WAN configuration and troubleshooting.
• Good to have experience on any “Software Defined Networking” solution, i.e. Cisco/Viptela/Versa SD-WAN
• Configure network policies, application performance optimization, and dynamic path selection using SD-WAN.
• Troubleshoot and resolve issues related to SD-WAN, including connectivity, security policies, and application performance.
• Implement security policies and ensure secure communication between SD-WAN sites using Versa’s integrated security features, such as encryption, secure tunneling, and firewall integration.
• Excellent client-facing communication skills and the ability to handle and manage client interactions and escalations independently, ensuring client satisfaction and timely resolution of critical issues.
• Independently drive P2/P1 Technical calls from the network’s end, demonstrating exceptional communication and problem-solving skills to de-escalate situations and provide clear, concise updates to clients.

What we need from you:

• 5 - 10 years of experience in implementing and managing multi-vendor network solutions.
• Expert-level experience in Routing and Switching.
• Strong knowledge of networking fundamentals, including TCP/IP, BGP, OSPF, VPN technologies (IPSec, Remote VPN), and routing/switching principles.
• Expert-level experience in Cisco Firepower Management Center (FMC) and other Cisco security products.
• Prior experience collaborating with global clients from US, Europe, and APAC regions
• Excellent communication skills, both written and verbal, with a proven ability to manage client expectations and handle high-pressure situations effectively.
• Must be able to effectively handle multiple projects simultaneously
• Strong analytical and problem-solving skills, with a focus on delivering effective solutions and managing client escalations efficiently.
• A relevant certification in security is an asset.

What you will receive:

• Love your career : Competitive total rewards package. Blog during work hours; take a day off and volunteer for your favorite charity.
• Love your work/life balance : Flexibly work remotely from your home, there’s no daily travel requirement to an office! All you need is a stable internet connection.
• Love your coworkers : Collaborate with some of the best and brightest in the industry!
• Love your development : Hone your skills or learn new ones with our substantial training allowance; participate in professional development days, attend training, become certified, whatever you like!
• Love your workspace : We give you all the equipment you need to work from home including a laptop with your choice of OS, and an annual budget to personalize your work environment!
• Love yourself : Pythian cares about the health and well-being of our team. You will have an annual wellness budget to make yourself a priority (use it on gym memberships, massages, fitness and more). Additionally, you will receive a generous amount of paid vacation and sick days, as well as a day off to volunteer for your favorite charity.

Hiring Disclaimer

• The successful applicant will need to fulfill the requirements necessary to obtain a background check.
• Accommodations are available upon request for candidates taking part in any aspect of the selection process.

AI Disclaimer

Pythian may utilize Enterprise Generative Artificial Intelligence (AI) tools or features throughout its hiring process. These tools help us manage high volumes of applications efficiently and may be employed to review applications, analyze resumes, and assist with other recruitment steps. While Pythian uses AI in its hiring process, it does not substitute for human judgment. Our Talent Acquisition Team reviews all AI-generated recommendations, and the system is subject to regular bias audits to ensure fairness and compliance with all applicable employment and human rights laws. All final hiring decisions are made by, and remain the responsibility of, human decision-makers. By applying for this position, you consent to Pythian’s use of these AI tools in the evaluation of your application. You have the right to request a human review of any solely AI-driven decision or to request an accommodation. Should you require further details regarding the processing of your data, please reach out to us.