Network Security Engineer

Sonsoft Inc

Apply to this job
San Antonio, TX, us on site Until 8/22/2026 H-1B sponsor history First posted October 14, 2025 Last posted February 26, 2026
Job description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

A client of ours in San Antonio, Texas is looking for a Senior Network Security Engineer for a 2 month contract. Qualified candidates will have the following qualifications:

Technical Skills:

Routing Protocols EIGRP, OSPF, BGP, Cloud computing, Creating and managing Vlans (Trunking), Subnetting, Access Control Lists (ACL), DHCP, NAT, Spanning-Tree Manipulation (STP), VPN, Load Balancing, DMVPN, MPLS, iWAN, VPLS, VPC, SSL VPN, Heavy experience with building of Site-to-Site VPN tunnels

Experience with the design and integration of secure networks including all aspects of multi-site network designs and support (LAN, MAN, WAN); Router ACL; NAC; VPN; deploying and maintaining remote access technologies/solutions.

Platforms:

Strong Experience with Design and build functions on Cisco (ASA, Nexus, IOS, and ISE), F5 (LTM, GTM, and APM), Palo Alto firewalls, Citrix Netscaler (MPX, VPX, and SDX)

Qualifications

** U.S. Citizens and those who are authorized to work independently in the United States are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Contract job opportunity for you.
  2. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD, L2-EAD, OPT-EAD & TN-Visa can apply.
  3. No H1B candidates, please.
  4. Please mention your Visa Status in your email or resume.

** All your information will be kept confidential according to EEO guidelines.

About this role

Summary

Designs and manages secure multi-site networks, VPNs, and firewall solutions, focusing on Cisco, Palo Alto, and Citrix products.

Job title

Network Security Engineer

Experience level

senior level

Industry

software

Location requirements

San Antonio, TX; remote not allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

routing protocolsVPNCisco ASACisco NexusCisco IOSCisco ISEF5 LTMF5 GTMF5 APMPalo Alto firewallsCitrix Netscaler

Preferred skills

None specified

Specializations

routing protocolsVPNfirewallsnetwork designcloud computing
Locations

Structured locations inferred from the posting.

San Antonio, TX, USA

On-site City