Senior Network Security Engineer

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

Job summary

A leading company is seeking a Sr. Network and Security Engineer to oversee network security and infrastructure across multiple locations. This role involves designing and implementing complex network solutions, ensuring security protocols, and managing advanced technologies. The ideal candidate will have extensive experience in network engineering, particularly with Cisco systems, and possess strong analytical and communication skills. Join a team that values innovation and collaboration in a dynamic work environment.

Qualifications

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

Responsibilities

• Design, implement, and support Cisco-centric WAN, LAN, and wireless infrastructure.
• Manage Cisco Firewalls including IPS/IDS modules.
• Work with emerging technologies such as SD-WAN.

Skills

Analytical skills

Organizational skills

Time management

Communication

Team-oriented mentality

Education

Bachelor's degree

Tools

Cisco Firewalls

Cisco Nexus

Cisco Catalyst

F5 LTM/GTM Load Balancers

Splunk

Qualys/Nessus Scanners

Cisco Umbrella

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. In this role, 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 CCNP R&S certification is required.
4. Experience with SD-WAN, network switching (capacity planning & VLANs), routing protocols (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 experience.
13. Trellix FireEye Email Security Appliances experience.
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, ability to interact at all organizational levels.
18. Sensitivity, tact, and professionalism in interactions.
19. Team-oriented mentality.

Desired Skills and Professional Experience:

1. Splunk.
2. Qualys/Nessus Scanners.
3. Cisco Umbrella/OpenDNS.
4. Cisco DNA Center / Catalyst Center.
5. CCNP Enterprise and CCNP Security certifications are desirable.

Your future at Presidio

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

Your impact is real here. Whether harnessing Generative AI, architecting resilient digital ecosystems, or driving data-driven transformation, you’ll shape the future with us.

About Presidio

Presidio combines speed and quality with technology and innovation. We are a trusted partner across industries with a long history in traditional IT, AI, automation, security, networking, digital transformation, and cloud computing. We develop custom applications, provide managed services, enable data insights, and build solutions that drive strategic outcomes globally. For more information, visit www.presidio.com.

Additional Information

Applications are accepted on a rolling basis.

Presidio is an Equal Opportunity / Affirmative Action Employer / VEVRAA Federal Contractor. All qualified candidates will be considered regardless of protected characteristics.

For details on discrimination protections, visit: https://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf

If you need accommodation during the application process, email [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 for employment.

Recruitment agencies: Do not forward resumes to our email. We do not accept unsolicited resumes and are not responsible for fees.

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Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities