2w
Save
Mark Applied
Hide
Network Security Engineer
Spring, Texas, United States
OnsiteFull Time
3+ YOE3+ years network security experience; expertise with firewalls and network security platforms; Bachelor’s degree in CS/CE/IT; familiarity with automation and cloud network security.
Cisco ASA (CSM), FTD (FMC), FortiGate (FortiManager), Juniper SRX (Junos Space), GitHub, Terraform, Ansible, Python, REST API, Jenkins, Jinja2, YAML, AWS, Azure
1mo
Save
Mark Applied
Hide
Senior Network Security Specialist
Tonawanda or The Woodlands
$77k-$112k/yr OnsiteFull Time
5+ YOE5+ years IT/network security experience, Bachelor's degree required, proficiency with Palo Alto NGFW and Zscaler (ZIA/ZPA), experience implementing and operating network security, ability to review rulesets and mentor teams; must be authorized to work in the US.
Zscaler Internet Security (ZIA), Zscaler Private Access (ZPA), Palo Alto Firewalls (NGFW)
1w
Save
Mark Applied
Hide
Information Security Engineer - Network Security
Harris County, Texas, United States
RemoteFull Time
3+ YOE3+ years cybersecurity/network engineering experience; Bachelor’s in related field or equivalent; hands-on Cisco security and Microsoft 365 security experience; HIPAA familiarity and strong troubleshooting and communication skills.
Cisco Secure Access, Cisco Firepower, Firepower IPS, Microsoft 365 Security Suite, Microsoft Defender, Microsoft Sentinel, Entra ID, Microsoft Purview, SIEM, Azure
3mo
Save
Mark Applied
Hide
Network & Security Director - Headquarters
Houston, Texas, United States
OnsiteFull Time
5+ YOE3+ MgmtBachelor's degree or equivalent; 5-7 years in technology; 3-5 years of leadership; training programs completed.
1mo
Save
Mark Applied
Hide
Information Security Engineer, Network Security Engineering
Houston or United States
$154k-$161k/yr RemoteFull Time
5+ YOE5+ years network security engineering experience; expert Palo Alto Networks knowledge; API, WAF/CDN, IDS/IPS, DDoS, SIEM, cloud (Azure/AWS/GCP) experience; Python scripting and strong communication skills.
Palo Alto Networks, Panorama, PAN-OS, WAF, CDN, Akamai, Cloudflare, Imperva, F5, IDS/IPS, SIEM, Python, Linux, Azure, AWS, GCP, BGP, OSPF, GRE, IPsec, TLS, DNS, TCP/IP
1mo
Save
Mark Applied
Hide
Systems Infrastructure & Network Security Operations Engineer
Spring or Fort Collins
$93k-$144k/yr OnsiteFull Time
6+ YOE6+ years networking and systems experience with zero-trust design, IaC and automation (Ansible, Terraform, Python), CI/CD for network assets, vulnerability management, cloud networking, and architecture governance; technical degree or equivalent experience.
Ansible, Python, Terraform, Git, Jenkins, GitLab CI, Nessus, Qualys, VMware vSphere, Proxmox, Linux, Windows, F5, InfoBlox, AWS VPC, Azure VNets, TOGAF, ArchiMate, OSPF, BGP, MPLS, VXLAN
2mo
Save
Mark Applied
Hide
Network Engineer, OT
Houston, Texas, United States
OnsiteFull Time
7+ YOESenior OT/IT network engineer with 7+ years in industrial networks; strong Cisco/FortiNet, NERC-CIP, security, and OT/IT convergence.
Cisco Catalyst switches, Cisco Nexus switches, Cisco ISR/ASR routers, Industrial Ethernet IE-4000/IE-5000, Fortinet FortiGate, FortiManager, FortiAnalyzer, SolarWinds, NAC, IDS/IPS, VPN (IPsec/SSL), WAN optimization, VMware, Azure, Active Directory, DNS, DHCP, NTP, Windows Server, Wireshark, tcpdump, PRTG, Cisco Prime Infrastructure, CISCO Catalyst Center, NSX, NTP, IPAM, CMDB, ServiceNow
1mo
Save
Mark Applied
Hide
Network Engineer
Houston, Texas, United States
HybridFull Time
5+ YOE5+ years supporting global network systems; hands-on experience with data center spine-leaf, BGP EVPN/VXLAN, layer 3 underlay; network security (NGFW, IPS/IDS); monitoring/telemetry; strong documentation and troubleshooting skills.
Python, Ansible, Linux, SD-WAN, BGP EVPN/VXLAN, IPAM, HPC, IPS/IDS
2w
Save
Mark Applied
Hide
Senior Network Administrator
Pasadena, Texas, United States
OnsiteFull Time
7+ YOE7+ years network administration experience in multi-site enterprise environments; strong routing/switching, SD-WAN/SASE, Azure networking, Entra ID, AD, and network security skills; travel up to 25%; relevant Azure certifications preferred.
Microsoft Azure, Microsoft Entra ID, Active Directory, Cisco Meraki, Cato Networks, Starlink, SD-WAN, SASE
2mo
Save
Mark Applied
Hide
Manager, Network Engineering
Houston, Texas, United States
OnsiteFull Time
8+ YOE3+ Mgmt8+ years in network engineering; 3+ years in people leadership; Fortinet and Azure networking expertise; OT and field connectivity experience; strong security collaboration and documentation.
Fortinet FortiGate, FortiSwitch, FortiRouter, FortiManager, FortiAnalyzer, VPN, SD-WAN, Azure Networking, ExpressRoute, DNS, NSG, Azure Firewall, Hybrid Cloud Networking, Network Monitoring, Automation and IaC
1mo
Save
Mark Applied
Hide
Network Administrator @ Technology Services
Houston, Texas, United States
$85k-$114k/yr OnsiteFull Time
5+ YOEBachelor's in computer science (or equivalent) required; 5+ years network experience preferred; knowledge of LAN/WLAN/WAN design, network hardware/software, security, multi-OS environments; strong communication and problem-solving skills.
2mo
Save
Mark Applied
Hide
Senior Network Administrator
Houston, Texas, United States
OnsiteFull Time
Senior-level network engineer with advanced routing, data center, security, and automation skills; CCIE/CCNP preferred; Bachelor’s or Master’s in CS/CE/IT.
Python, Ansible, Terraform, Wireshark, tcpdump, NX-OS, VXLAN, QoS, Fortigate, Palo Alto, 802.1X, RADIUS, TACACS+, WLC, OCSP, SSL VPN
3w
Save
Mark Applied
Hide
Cyber Network Analyst
Houston, Texas, United States
OnsiteFull Time
3+ YOE3–5 years cybersecurity experience; strong Microsoft 365/Azure/Entra ID security (Conditional Access, MFA); incident response, EDR (CrowdStrike), email security (Proofpoint), DLP, networking, and ability to travel up to 40%. Valid driver's license required.
Microsoft 365, Azure, Entra ID, CrowdStrike, Proofpoint, Meraki, Copilot, DLP, MFA, Conditional Access
5d
Save
Mark Applied
Hide
Systems Engineer, Network & Security
Houston, Texas, United States
$90k-$130k/yr OnsiteFull Time
Design and maintain enterprise network and secure systems, manage certificate lifecycle and PKI, implement Zero Trust controls, and support cloud and on-prem integrations.
Fortinet, Zscaler, ZIA, ZPA, CyberArk Certificate Manager, Keyfactor Command, AppViewX CERT+, EJBCA, HashiCorp Vault, DigiCert, Azure, AWS, Microsoft Graph API, PowerShell, Python, Microsoft Entra ID, Okta, Microsoft Purview
2mo
Save
Mark Applied
Hide
Diego Garcia: Senior Network Engineer
Diego Garcia or Houston
OnsiteFull Time
5+ YOEUS citizenship, active Secret clearance, 5+ yrs Cisco WAN/LAN, network security, incident response, UNIX/Linux, ability to lead projects.
Cisco routers, Cisco switches, fiber modems, UNIX, Linux, MS Exchange, DNS, NT Domain Controllers
5d
Save
Mark Applied
Hide
IT Security Analyst
Houston, Texas, United States
OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience,2+ years IT security or related experience,network and endpoint security familiarity,security monitoring and logging experience,knowledge of compliance frameworks and strong communication skills.
2w
Save
Mark Applied
Hide
Security Analyst (Security Operations)
Houston or New York or San Francisco or Seattle
$100k-$130k/yr OnsiteFull Time
3+ YOE3+ years in security operations or related roles; experience investigating endpoint, identity, SaaS, cloud, email, network telemetry; strong incident response and writing skills; comfortable with query languages, logs, dashboards, and case management.
MITRE ATT&CK
1mo
Save
Mark Applied
Hide
Security Consultant
Houston or Denver
$100k-$131k/yr HybridFull Time
6+ YOE6+ years security consulting experience across systems, network, server and cloud; experience with vulnerability management, CyberArk, Microsoft Entra and Defender; familiarity with NIST/CIS frameworks and ITIL.
Microsoft Entra, CyberArk Privileged Access Management, Tenable, Rapid7, Defender Vulnerability Management, Defender for Cloud, NIST 800-53, NIST CSF, CIS, ITIL Incident Management
3w
Save
Mark Applied
Hide
Information Security Architect
Houston, Texas, United States
HybridFull Time
7+ YOEBachelor's degree in a relevant field, 7 years IT experience including 5 years in information security, CISSP and CEH preferred, strong network/security architecture and communication skills, mobile device security experience.
1mo
Save
Mark Applied
Hide
Information Security Architect
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$145k-$185k/yr HybridFull Time
8+ YOEBachelor's degree and 8+ years of cybersecurity/security architecture experience. Deep technical expertise across cloud (AWS, Azure), identity, network, endpoint, application, AI, and data security; experience with Zero Trust, DevSecOps, and enterprise security tooling.
AWS, Microsoft Azure, Kubernetes, Infrastructure-as-Code (IaC), CSPM, CWPP, EDR/XDR, SIEM, DLP, CASB, PAM, ZTNA, Zero Trust, CI/CD, DevSecOps, SSO, MFA, RBAC, ABAC, API