25 firewall engineer jobs at 16 companies in Chesterfield, MO
23h
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Senior Firewall Engineer
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
5+ YOEActive TS/SCI, bachelor's degree or equivalent experience, 5+ years of network security experience, IAT Level II certification, and experience with firewalls, routers, IDS, Unix, RHEL, Windows AD, and VMware.
Palo Alto, Juniper, Cisco, FireEye, F5 Load Balancer, Cisco FTD, Unix, RHEL, Windows Enterprise AD, VMware
23h
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Senior Firewall Engineer
Springfield or St. Louis
$75k-$158k/yr OnsiteFull Time
5+ YOEBA/BS in a related field or equivalent experience, 5+ years in enterprise network security, active TS/SCI, IAT Level II certification, CSSP Infrastructure Support certification, and firewall, routing, IDS, Unix, Windows, and VMware experience.
Palo Alto, Juniper, Cisco, FireEye, F5, Cisco FTD, Unix, RHEL, Windows Enterprise AD, VMware, WAN, LAN, CAN, IDS
2mo
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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
4w
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Implementations Network Engineer II
Scott Air Force Base, Illinois, United States
OnsiteFull Time
2+ YOEU.S. citizen with ability to obtain Top Secret clearance, active Secret preferred; BS degree with 2+ years network experience; DoD-8570 IAT Level 2 (Security+ CE); proficiency with Cisco/Juniper and routing protocols (BGP, ISIS).
Cisco, Juniper, BGP, ISIS, OSPF, DHCP, DNS, TCP/IP, WAN, VPN, VLAN, VRF, routers, load balancers, firewalls, SharePoint, DISA Storefront (DSF)
4w
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Network Engineer
Belleville, Illinois, United States
OnsiteFull Time
5+ YOE5+ years network engineering experience, CCNP certification, bachelor's degree in a related field, Top Secret clearance, strong router/switch/firewall and security experience, server/VoIP and SNMP familiarity.
SNMP, VoIP, IDS
1mo
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Network Engineer
Clayton or St. Louis
OnsiteFull Time
3+ YOE3-5 years network engineering experience; Bachelor’s in CS/IT (required); knowledge of TCP/IP, OSPF, BGP, VLANs, MPLS, VPNs, SDWAN; experience with firewalls/IDS/IPS and monitoring tools; CCIE/CCNP preferred.
TCP/IP, OSPF, BGP, VLANs, MPLS, VPNs, SDWAN, SNMP, NetFlow, Wireshark, SolarWinds, Cisco, Aruba, Silver Peak, Palo Alto
3w
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Senior Network Engineer
Scott Air Force Base, Illinois, United States
OnsiteFull Time
8+ YOEActive DoD Top Secret clearance, CCNP and DoD 8140/8570 IAT Level II, BA/BS, 8+ years network engineering experience, expertise in routing/switching/firewall/VPN/IPv4/IPv6, DISA STIGs, and scripting for automation.
Python, GitLab CI, EVE-NG, SolarWinds, Splunk
1mo
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Senior Network Engineer Consultant
St. Louis, Missouri, United States
HybridContract
8+ YOE8+ years enterprise network engineering experience with strong routing, switching, WAN, wireless, firewall, and VPN expertise; experience documenting environments, creating diagrams, assessing security risks, and producing roadmaps; strong communication skills.
Cisco, Aruba, Fortinet, Palo Alto, Juniper, Meraki
1mo
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Network Engineer
Clayton, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's in CS/IT or related; 3+ years network engineering experience; deep knowledge of TCP/IP, OSPF, BGP, VLANs, MPLS, VPNs, SDWAN; network security and monitoring (firewalls, IDS/IPS, SNMP, NetFlow, Wireshark, SolarWinds); vendor experience with Cisco, Aruba, Silver Peak, Palo Alto; CCIE/CCNP preferred.
TCP/IP, OSPF, BGP, VLANs, MPLS, VPNs, SDWAN, SNMP, NetFlow, Wireshark, SolarWinds, Cisco, Aruba, Silver Peak, Palo Alto
1d
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Network Engineer
St. Peters, Missouri, United States
OnsiteFull Time
4+ YOEBachelor's degree in information systems or equivalent experience; 4+ years networking and 2+ years cloud engineering. Requires network, cloud, security, automation, troubleshooting, documentation, and communication expertise.
TCP/IP, DNS, DHCP, SSL/TLS, Web Application Firewall (WAF), VPN, Cisco ASA, Cisco Firepower, Cisco Nexus, Cisco Catalyst, Check Point, Microsoft ADFS, Multi-factor Authentication (MFA), Active Directory, Azure AD, Terraform, Azure PowerShell, Azure CLI, Azure Resource Manager (ARM), SNMP, MIBs, OIDs, LAN, WAN, IPsec, VRFs, VLANs, load balancers, proxy servers, firewalls, routers, switches
1mo
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Systems Engineer SME (Cloud)
O'Fallon, Illinois, United States
OnsiteFull Time
10+ YOE10+ years experience designing and deploying secure, scalable commercial cloud solutions for DoD environments; proficiency with RHEL, AWS networking, BGP, Palo Alto firewalls, DevSecOps tools (Git, Jenkins, Groovy, YAML); active DoD Secret clearance and US citizenship required.
Red Hat Enterprise Linux, Palo Alto, F5, F5 Big-IP, Panorama, Big IQ, Git, Jenkins, Groovy, YAML, AWS, WAF, GuardDuty, IAM, Security Groups, EC2, S3, Systems Manager, CloudFormation, CloudTrail, Lambda, AWS Workspaces, Route 53, Transit Gateway, VPCs, VPNs, BGP, Juniper, Cisco
1mo
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Lead Systems Engineer - Data Integration
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood or United States
RemoteFull Time
5+ YOEBachelor's in CS/CIS/MIS, 5+ years scripting experience (Python, Perl, BASH, KSH, JavaScript), JSON expertise, networking/firewall and Unix/Linux/Windows knowledge, full lifecycle development, on-call availability, U.S. work authorization and CST availability.
Python, Perl, BASH, KSH, JavaScript, JSON, Unix, Linux, Windows, Oracle, Microsoft SQL, MariaDB, PostgreSQL, Amazon, Azure
1w
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Sales Engineer
St. Louis, Missouri, United States
$90k-$110k/yr HybridFull Time
3+ YOE3+ years telecom experience, strong network design and presentation skills, knowledge of WAN/MPLS/SD-WAN/Cloud and related technologies, industry certifications preferred.
SD-WAN, Firewall, Cloud Services, WAN, MPLS, UCaaS, SIP Trunking, PRI, Wi-Fi
9h
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Sr Network Engineer (On-Site St. Louis)
St. Louis or Edwardsville
$108k-$136k/yr OnsiteFull Time, Contract
5+ YOERequires 5+ years of network administration experience, bachelor's degree or equivalent experience, CCNA, Cisco firewall experience, and knowledge of zero trust, segmentation, IDS/IPS, data centers, and remote sites.
Cisco, BGP, EIGRP, VPC, LACP, STP, Python, Ansible, Quality of Service (QoS), Cisco ASA, Cisco Firepower, NAT, ACLs, DACLs, VLANs, VRFs, Zero Trust Network Access (ZTNA), IDS/IPS, DMVPN, IPSec, VPN
1mo
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Data Loss Prevention Engineer, Senior
Scott Air Force Base, Illinois, United States
$99k-$225k/yr OnsiteFull Time
Experience deploying and configuring Forcepoint/Trellix/Microsoft/Symantec DLP and web security, knowledge of DoD cybersecurity frameworks, network protocols/firewalls/proxies, Secret clearance, HS diploma/GED.
Forcepoint, Forcepoint CASB, Trellix, Microsoft, Symantec, Splunk, McAfee, Palo Alto, SIEM, SOAR, DLP
2mo
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Security Engineer II - CSIR
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's in CS/IS/cybersecurity or equivalent experience, 2+ years in IT/security, incident identification and response, troubleshooting, familiarity with security tooling and SIEM/UEBA, strong communication and multitasking.
Microsoft 365, Microsoft Excel, Microsoft Outlook, SIEM/UEBA, firewalls, intrusion detection systems, endpoint detect response, anti-virus, anti-malware, authentication systems, ticketing systems, monitoring tools
2mo
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Security Engineer II - CSIR
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's degree or equivalent,2+ years IT/security experience,knowledge of security tools and incident response,proficiency with Microsoft 365,strong troubleshooting and communication skills.
Microsoft 365, Microsoft Excel, Microsoft Outlook, SIEM/UEBA, firewalls, intrusion detection systems, endpoint detect response, anti-virus, anti-malware, authentication systems, content filtering
2mo
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Service Desk Engineer
Maryland Heights, Missouri, United States
OnsiteFull Time
3+ YOE3+ years hands-on IT support (3 years MSP) with Windows workstation/server and networking experience; strong customer service, documentation, prioritization, and problem-solving skills; vendor certifications preferred.
Windows Server, Microsoft Office Suite, switches, firewalls, wireless access points
2w
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Security Engineer IV - API/Cloud Security
Tempe or St. Louis
HybridFull Time
5+ YOE5+ years in cybersecurity or application/API security; hands-on experience with API, cloud, and vulnerability tools; scripting (shell, Perl, Python) and Azure familiarity; bachelor\u0002s preferred.
Linux, UNIX, Proofpoint, Windows, LDAP, DBMS, Firewall, IDS/IPS, DLP, API Security, DNS, Vulnerability Assessment Tools, Azure, shell, Perl, Visual Basic, PHP, Python, containerization, CSPM, SSPM, AI Security
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