UST · 9 hours ago
Network Engineer
San Antonio, TX
Full-time
Onsite
Mid, Senior Level
$57K/yr - $86K/yr
5+ years expUST is a mission-driven company that transforms lives through technology. They are seeking a Network Engineer to support network security in a large-scale, geographically diverse environment, responsible for monitoring network health, configuring and managing switches, and troubleshooting network issues.
ConsultingInformation ServicesInformation Technology
Responsibilities
Monitor network health (latency, packet loss, interface status)
Check s from NMS tools (Graphana/Prometheus/Nautobot.)
Verify uptime of switches, routers, and firewalls
Track bandwidth utilization and congestion
Review logs and syslog’s for errors or anomalies
Configure & manage new/Old Switches
Troubleshoot VLAN tagging / trunk issues
Monitor and manage STP (Spanning Tree Protocol)
Resolve broadcast storms & loops
Configure Port Security
Manage MAC address tables
Interface status checks (up/down, errors, CRCs)
Qualification
Required
Bachelor degree in Computer Science, Computer Engineering, Information Management or relevant experience
Experience - 5 to 7 years
Excellent working knowledge on switching and routing concepts
Excellent working knowledge on LAN/WAN switching technologies (Port-Channels, VLANs, etc)
Should have a good understanding of VPN technologies such as Site-to-Site VPN, Remote Access VPN (ZScaler)
Hands-on expertise & Troubleshooting skills with Cisco ISR & ASR Routers, Juniper
Hands-on expertise & Troubleshooting skills with Cisco ASA Firewalls, FortiGate
Hands-on expertise & Troubleshooting skills with Cisco Nexus, Arista & Aruba switches with ACI
Hands-on expertise with Firewalls like FortiGate, ASA
Hands-on expertise with Load balancers like F5, AVI Networks
Hands-on expertise with Cisco, Aruba, and Juniper switches and should have good understanding on switch stacking
Hands-on expertise with wireless devices preferably Aruba / MIST
Hands-on expertise with troubleshooting Network related issues using Splunk and monitoring tools
Excellent knowledge on Arista switches and ACI environment
Experience with incident management and change management using any enterprise ticketing tool
Clear understanding of any Network monitoring tool
Clear understanding on different variants of STP, HSRP, VRRP, VLAN and loop prevention protocols
Excellent working knowledge on routing protocols like BGP, EIGRP & OSPF
Excellent working knowledge on DC technologies like VDC, VPC, etc
Proficient remote support and troubleshooting WAN environments
Experience in designing security for enterprise Networks, analyse vulnerabilities and come up with solutions to audit findings
Ability to learn quickly and work independently
Benefits
Accrue a minimum of 10 days of paid vacation per year
Receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year)
10 paid holidays
Eligible for paid bereavement leave and jury duty
Eligible to participate in the Company’s 401(k) Retirement Plan with employer matching
Eligible for medical, dental, and vision insurance
Basic life insurance
Accidental death and disability insurance
Short- and long-term disability benefits
Purchase additional voluntary short-term disability benefits
Participate in a Health Savings Account (HSA)
Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses
Company
UST
UST is a Digital Transformations Solutions Provider.
10001+ employees
H1B Sponsorship
UST has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (870)
2024 (800)
2023 (647)
2022 (634)
2021 (612)
2020 (984)
Funding
Current Stage
Late StageTotal Funding
$250MKey Investors
Temasek Holdings
2018-06-27Private Equity· $250M
Leadership Team
Krishna Sudheendra
CEO
Alexander Varghese
Chief Administrative Officer & COO
Recent News
Orange County Business Journal
2026-01-24
2026-01-20
Company data provided by crunchbase