Senior Network Security Engineer

Presidio, Inc.; Orlando (FL); Remote; USD 100,000 - 130,000; Full time

Job summary

A leading technology company seeks a Sr. Network and Security Engineer to manage network infrastructure across multiple locations. This role involves designing and supporting Cisco-centric networks, ensuring security measures, and working with emerging technologies. The ideal candidate will have extensive experience in network engineering and a strong background in Cisco technologies. Join a culture of innovation and teamwork, where your contributions will shape the future.

Qualifications

• 10+ years of Network Engineering experience in complex enterprise environments.
• Cisco certification in CCNP R&S is required.
• Experience with SD-WAN, network security, and Cisco technologies.

Responsibilities

• Design, implement, and support Cisco-centric WAN, LAN, and wireless infrastructure.
• Manage Cisco Firewalls including IPS/IDS modules.
• Support remote access technologies (VPN, etc.).

Skills

Analytical skills

Organizational skills

Communication skills

Team player mentality

Education

Bachelor's degree

Tools

Cisco Firewalls

Cisco Nexus

Cisco Catalyst

F5 LTM/GTM Load Balancers

Splunk

Qualys/Nessus Scanners

Cisco Umbrella/OpenDNS

Cisco DNA Center

Job description

Presidio, Where Teamwork and Innovation Shape the Future

At Presidio, we're at the forefront of a global technology revolution, transforming industries through cutting-edge digital solutions and next-generation AI. We empower businesses—and their customers—to achieve more through innovation, automation, and intelligent insights.

The Role

Presidio is looking for a Sr. Network and Security Engineer to manage all Route/Switch and Network Security for several datacenters and office locations.

Travel Requirements:

This role will be remotely based in the Orlando, Florida area. You will be expected to travel up to 20%.

Responsibilities Include:

1. Design, implement, and support Cisco-centric WAN, LAN, and wireless infrastructure.
2. Design, implement, and support Routing & Switching technologies.
3. Manage Cisco Firewalls including IPS/IDS modules.
4. Design, implement, and manage network load balancing.
5. Manage Email Gateways, Email Security Appliances, and other Security products in line with Email and WAN access.
6. Manage and support remote access technologies (VPN, etc.) including posturing.
7. Manage and support Wireless technologies.
8. Work with emerging technologies such as SD-WAN and data center products.

Required Skills and Professional Experience:

1. Bachelor's degree or equivalent work/military experience.
2. 10+ years of Network Engineering experience in complex enterprise environments.
3. Cisco certification in CCNP R&S is required.
4. Experience with SD-WAN, network switching (capacity planning & VLANs), routing (OSPF, EIGRP, BGP), WAN technologies (MPLS, VPLS, VPN), and network security (Cisco Firewalls, IPS).
5. Experience with SIP trunking, Cisco wireless deployments, Cisco data center, and load balancing.
6. Experience with Cisco Nexus and Catalyst switches (IOS-XE and NX-OS).
7. Experience with Cisco ASR and ISR routers.
8. Experience with Cisco FTD Firewalls with FMC.
9. Experience with Wireless WLCs w/Cisco APs.
10. Experience with Ironport technologies including ESA and SMA.
11. Experience with F5 LTM/GTM Load Balancers.
12. Cisco ISE.
13. Trellix FireEye Email Security Appliances.
14. Experience with VoIP, BGP, EIGRP, OSPF, TACACS, DNS, DHCP.
15. Cloud support (Cross connects and routing).
16. Strong analytical, organizational, and time management skills; ability to work independently.
17. Excellent communication skills, able to interact with all organizational levels.
18. Ability to interact with sensitivity, tact, and professionalism.
19. Team player mentality.

Desired Skills and Professional Experience:

1. Splunk.
2. Qualys/Nessus Scanners.
3. Cisco Umbrella/OpenDNS.
4. Cisco DNA Center / Catalyst Center.
5. Cisco CCNP Enterprise and CCNP Security (desired).

Your future at Presidio

Joining Presidio means stepping into a culture of trailblazers—thinkers, builders, and collaborators—who push the boundaries of what's possible. With our expertise in AI-driven analytics, cloud solutions, cybersecurity, and next-gen infrastructure, we enable businesses to stay ahead in an ever-evolving digital world.

Your impact is real here. Whether harnessing Generative AI, architecting resilient digital ecosystems, or driving data-driven transformation, you'll be part of a team shaping the future.

Ready to innovate? Let's redefine what's next—together.

About Presidio

Presidio blends speed and quality with technology and innovation. We are a trusted partner across industries, with decades of experience in traditional IT foundations, AI, automation, security, networking, digital transformation, and cloud computing. We fill gaps, remove hurdles, optimize costs, and reduce risk. Our technical team develops custom applications, provides managed services, enables data insights, and builds solutions that drive strategic outcomes globally. For more information, visit www.presidio.com.

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Applications are accepted on a rolling basis.

Presidio is an Equal Opportunity / Affirmative Action Employer / VEVRAA Federal Contractor. All qualified candidates will receive consideration regardless of protected characteristics. For details on discrimination protections, visit this link. If you require accommodations during the application process, contact [e-mail].

Presidio requests priority referrals of protected veterans. Please send referrals to [e-mail].

Massachusetts applicants: It is unlawful to require lie detector tests as a condition of employment.

Recruitment agencies: Do not forward resumes/CVs to our careers email or employees. We do not accept unsolicited resumes and are not responsible for fees related to them.

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