15 firewall engineer jobs at 12 companies in Live Oak, TX
2mo
Save
Mark Applied
Hide
Firewall/Network Security Administrator
San Antonio, Texas, United States
OnsiteFull Time
5+ YOE5+ years enterprise network security; DoD boundary protection; firewall/IDS/IPS; DCO; Top Secret/SCI clearance.
Firewalls, IDS/IPS, Load balancers, Web proxies
1d
Save
Mark Applied
Hide
Network Engineer 3 (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$169k-$266k/yr OnsiteFull Time
10+ YOEActive TS/SCI with Polygraph required; 10+ years relevant experience (varies by degree); expertise in LAN/WAN design, VPN/IPSec, VoIP, GRE, firewalls, load‑balancing, network analyzers, and troubleshooting.
LAN, CAN, WAN, VPN, VoIP, GRE Tunneling, IPSec, NAT, Media over IP (MoIP), Traffic Shaping, load‑balancing, firewall, network analyzer, WAN test equipment, network simulator, ISO 9000
1w
Save
Mark Applied
Hide
Network Engineer 2
San Antonio, Texas, United States
OnsiteFull Time
6+ YOE6+ years network engineering experience (master's+6 years or equivalent), IAT Level I, active security clearance with polygraph, experience with VPN, VoIP, firewalls, GRE, IPSec, NAT, load-balancing and network performance monitoring.
VPN, VoIP, firewall, GRE Tunneling, IP Security (IPSec), NAT, load-balancing, Traffic Shaping
2mo
Save
Mark Applied
Hide
Power Systems Automation Engineer
Lakewood or Fairview Heights or Boerne
$84k-$144k/yr OnsiteFull Time
3+ YOEBachelor's in Electrical Engineering or Computer Science; 3+ years in power systems automation and communication; experience with utility/industrial power systems, SCADA and protocols.
SCADA, DNP3, Modbus, IEC 61850, Ethernet/IP, OPC UA, RTUs, RTACs, IEDs, SEL Relays, PLC, HMI, Serial Communications, Ethernet, Firewalls, Security Gateways, Terminal Servers, Cellular Routers, Managed Switches, SDN, IEC 61131-3, Structured Text, Wireshark
1d
Save
Mark Applied
Hide
Infrastructure Support Engineer
San Antonio, Texas, United States
OnsiteFull Time
5+ YOEActive DoD Secret clearance, DoD 8570/8140 certifications, 5+ years supporting large networks, experience with routers/switches/firewalls/VPN, TCP/IP, OSPF/BGP, and willingness to work 24x7 shifts.
Routers, Switches, Firewalls, Virtual Private Network devices, OSPF, BGP, TCP/IP, Access Control Lists, Spanning Tree, Packet Analysis, Cisco Switches, Palo Alto Firewalls, F5 devices
1mo
Save
Mark Applied
Hide
Unified Communications Engineer - Senior
San Antonio, Texas, United States
OnsiteFull Time
8+ YOEActive Top-Secret/SCI clearance (or ability to obtain), 8+ years telecommunications experience with Cisco Unified Collaboration, CCNA (required) and an 8140 IAT Level II/III cert, ESXi, DISA STIG familiarity, high school diploma.
Cisco Unified Communications Manager, Cisco IM & Presence, Cisco Expressway, Cisco Video Teleconferencing Systems, Cisco Session Border Controller, Cisco IOS, Tandberg, Polycom, ESXi, Active Directory, VoIP, SIP, ISDN, dot1x, ACLs, firewalls, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft SharePoint, Microsoft Project, Microsoft Visio
3mo
Save
Mark Applied
Hide
Boundary Security Engineer
Fort Meade or San Antonio
$99k-$225k/yr HybridFull Time
5+ YOE5+ years in network security/design for large enterprises or government; firewall/enterprise security design; Palo Alto or Cisco/Juniper devices; packet analysis; DoD 8570 IAT II certification required within 3 months; Secret clearance; HS diploma or GED.
Palo Alto firewalls, Cisco firewalls, Juniper firewalls, Wireshark, SIEM, intrusion detection, intrusion prevention
3mo
Save
Mark Applied
Hide
Boundary Security Engineer
Fort Meade or San Antonio
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years in network security/design for large enterprises or government; firewall/enterprise security design; experience with Palo Alto, Cisco or Juniper; packet analysis with Wireshark; boundary protection; Secret clearance; HS diploma or GED; ability to obtain DoD 8570 IAT Level II within 3 months of start.
Palo Alto firewalls, Cisco firewalls, Juniper firewalls, Wireshark
2mo
Save
Mark Applied
Hide
Systems Engineer / System Administrator for Managed Service Provider
San Antonio, Texas, United States
OnsiteFull Time
5+ YOEBS in CS/Engineering or 5+ yrs exp; extensive PC ops knowledge; experience with monitoring/automation; experience with firewall, cloud, networking, SQL, and Windows Server.
Sophos Firewall, Meraki Firewall, Office 365, Microsoft 365, Azure Virtual Desktop, RDS, SQL Server, Windows Server
1mo
Save
Mark Applied
Hide
Cyber Data Engineer
San Antonio or Lackland Air Force Base
OnsiteFull Time
3+ YOEU.S. citizen with active TS/SCI; graduate degree in software engineering or BA/BS; 3+ years relevant experience; proficiency with Splunk/SPL, ELK/Lucene, Python, C/C++, PowerShell, RHEL/Unix, SIEMs, firewalls, and malware analysis.
Splunk Processing Language (SPL), ELK Lucene Query Syntax, Splunk, ELK, SIEM, RHEL, RHEL 7, Unix/Linux, Unix Scripting, Linux+/Red Hat, Microsoft Windows PowerShell, Python, C++, C/C++, regex, BASH, Java, Go, Alienvault, Logrhythm, Qradar, Fortinet, Sonicwall, Palo Alto, OSSEC, Snort, Suricata, MITRE ATT&CK
4w
Save
Mark Applied
Hide
Building Automation Systems Application Engineer II
San Antonio or Austin or Houston
OnsiteFull Time
2+ YOE2+ years experience in building automation programming; ability to lead medium/large projects; proficiency with BACnet, Modbus, LON, IP networking and BAS device configuration; strong communication and troubleshooting skills.
Tridium Niagara, Schneider Electric Ecostruxure Building operation system, Siemens Building automation system, Johnson Controls systems, BACnet, Modbus, LON, IP networking, DDC, switches, routers, controllers, gateways, firewalls
2mo
Save
Mark Applied
Hide
Platform Security Engineer 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEBachelor's in IT/Cybersecurity/CS or equivalent, 3+ years infrastructure/systems/network/virtualization security experience, VMware NSX/vDefend and firewall/IAM experience, VCF and vSphere familiarity, scripting/automation, knowledge of CIS/NIST.
vDefend, NSX, VMware vSphere, VCF, Aria Operations, Aria Automation, SDDC Manager, OPA, Sentinel, Terraform, Ansible, CIS, NIST
1w
Save
Mark Applied
Hide
Network Security Engineer
Fort Meade or Pensacola or Mechanicsburg or Oklahoma City or San Antonio or Ford Island or Scott AFB or Hill AFB
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years network security experience, 3+ years firewall and enterprise security design, Palo Alto/Cisco/Juniper and Wireshark experience, Secret clearance, HS diploma or GED, ability to obtain DoD 8570 IAT Level II within 3 months.
Palo Alto, Cisco, Juniper, Wireshark, SIEM, Ansible, Python, SD-WAN, AWS, Azure, GCP
2mo
Save
Mark Applied
Hide
Wireless Network Engineer II
San Antonio, Texas, United States
RemoteFull Time
4+ YOEUS citizen; active DoD Secret or higher clearance; 8-hour day shift; 4+ years network management; 2+ years wireless network management; IASAE Level II or equivalent (or higher); strong documentation and communication skills; ability to work autonomously and lead others.
Networking, Wired and Wireless Networking, Firewalls, Routers, Switches, Documentation
6d
Save
Mark Applied
Hide
Edge Connectivity Manager
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
10+ YOE3+ Mgmt10+ years in network engineering or connectivity operations, 3+ years leading technical teams; strong enterprise networking, cloud connectivity, firewalls, ITSM, and stakeholder communication skills.
ITIL, CCNP, CCIE, PCNSE, Fortinet, Azure, AWS
Explore Jobs