153 firewall jobs at 93 companies in Maryland
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Sr Firewall Engineer
Las Vegas or New Jersey or Michigan or Florida or Massachusetts or Maryland or Mississippi or Ohio
$101k-$134k/yr HybridFull Time
5+ YOE5+ years network security experience focused on firewall management; design and implement secure network architectures; hands-on with Palo Alto, Cisco, Netscaler, Zscaler; SNMP and observability; PCI/Gaming compliance; preferred security certifications.
SNMP, Zscaler, Palo Alto, Cisco, Netscaler, Cisco Catalyst Center, Identity Services Engine (ISE)
3w
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Firewall Operations Engineer
Beltsville, Maryland, United States
HybridFull Time
7+ YOEBachelor or equivalent experience; 2-4 years Palo Alto/Panorama firewall experience; 3-5 years IT customer support; experience with FortiGate, Azure Firewall, Cloudflare, Cisco ESA, A10; NeuralStar and TCP/IP troubleshooting; US citizenship and interim secret clearance required.
Palo Alto, Panorama, FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliance (ESA), A10, NeuralStar, Visio, ServiceNow
1d
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Firewall Operations Engineer
Beltsville, Maryland, United States
$90k-$110k/yr OnsiteFull Time
2+ YOEBachelor's degree, 2–4 years of relevant experience, 3–5 years of IT customer support, Secret clearance, Palo Alto and Panorama expertise, networking and firewall troubleshooting experience.
ServiceNow, Palo Alto, Panorama, FortiGate, Cisco Email Security Appliance (ESA), A10, Cloudflare, Azure Firewall, NeuralStar, TCP/IP, CLI, Microsoft Visio
3w
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Firewall Operations Engineer
Beltsville, Maryland, United States
$120k-$160k/yr HybridFull Time
3+ YOEExperience configuring and monitoring Palo Alto/FortiGate firewalls, proxy and email security appliances, Tier 2 IT customer support, networking and packet filtering knowledge, US citizenship and active interim secret clearance or higher.
Palo Alto, Cloud Palo Alto, FortiGate, CISCO Email Security Appliance (ESA), A10, Service Now, Panorama, Cloudflare, Azure Firewall, NeuralStar, Microsoft Visio
1w
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Firewall Operations Engineer
Beltsville or Laurel or Virginia
$75k-$95k/yr HybridFull Time
2+ YOEBachelor's degree and 2–4 years' experience or equivalent; 3–5 years' Tier I/II IT support; firewall, networking, proxy, packet filtering, TCP/IP, and Palo Alto experience; U.S. citizenship and interim Secret clearance required.
ServiceNow, Palo Alto, Panorama, FortiGate, Cisco Email Security Appliance (ESA), A10, Cloudflare, Azure Firewall, NeuralStar, TCP/IP, Microsoft Visio, CLI, CMMI
1w
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Firewall Operations Engineer | Secret Clearance
Beltsville, Maryland, United States
HybridFull Time
3+ YOEUS citizen with Interim Secret clearance eligibility; 3+ years IT support experience; experience with Palo Alto, Panorama, FortiGate, Azure Firewall, Cloudflare, Cisco ESA, A10, Service Now, NeuralStar, TCP/IP, and Visio; BA preferred.
Service Now, Palo Alto, Panorama, Cloud Palo Alto, FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliance (ESA), A10, NeuralStar, TCP/IP, Visio
3mo
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Network Engineer- Security Services
Jessup, Maryland, United States
$75k-$129k/yr OnsiteFull Time
5+ YOE5–7 years Network Engineer/Architect role; Cisco routing/switching; SD-WAN; firewall; IT/OT network segmentation; Bachelor's degree or equivalent.
Cisco routing, Cisco switching, Wireless (Cisco Catalyst, Meraki, Aironet), SD-WAN/Cato, Firewalls, VPN, SolarWinds, PRTG, Cisco DNA Center, Cato Management Application
2mo
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Network Engineer
Annapolis Junction, Maryland, United States
$130k-$250k/yr OnsiteFull Time
5+ YOE5+ years in network engineering; design, configure, deploy, and optimize enterprise networks; experience with switches, routers, firewalls; monitoring with WhatsUpGold/NetFlow; TS/SCI with Polygraph required.
WhatsUpGold, NetFlow, Network Monitoring Tools, Switches, Routers, Firewalls
3mo
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Systems Engineer 3 (QKS - 065)
Annapolis Junction, Maryland, United States
OnsiteFull Time
TS/SCI with Polygraph; containers/cloud; storage management; virtualization; IP networking and firewall; Linux; PKI/TLS/crypto; automation tools; application support; SSP compliance.
Containers, Cloud, Storage Management, Virtualization, IP Networking, Firewall, Linux, PKI/TLS/Crypto, Automation Tools, Application Support, SSP Compliance
3mo
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System Engineer Level 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
6+ YOETS/SCI clearance with polygraph required; Linux, containers/cloud, IP networking, firewall, automation, PKI/TLS, SSP/STE/STN experience; strong systems engineering and ISO/IEC 15288 knowledge.
Linux, Containers, Cloud, Storage, Virtualization, IP Networking, Firewall, Automation, PKI, TLS
1w
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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
2mo
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Cybersecurity Engineer
Catonsville or Baltimore
$71k-$117k/yr OnsiteFull Time
1+ YOEAssociate (plus 1 year experience) or Bachelor’s in cybersecurity; experience securing OS, networks, and applications at enterprise level; vulnerability scanning, risk assessment, incident response, firewall/ACL configuration; cybersecurity certs preferred.
Access Control Lists (ACLs), firewalls, SharePoint
6d
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Security Systems Administrator - Mid-level
Annapolis Junction, Maryland, United States
$105k-$154k/yr OnsiteFull Time
8+ YOERequires 8 years of systems administration experience or related work, with TS/SCI and active CI polygraph. Experience with security infrastructure, firewalls, IDS/IPS, VPN, incident response, network security, and routing protocols.
firewalls, IDS/IPS, VPN, MPLS, HAIPE/IP, QoS, WAN, SFTP, FTPS, SCP, AWS, Microsoft Azure, Google Cloud, Python, PowerShell, Bash, SOAR, ServiceNow, Remedy, Jira Service Management
1d
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Network Monitoring Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOERequires 7+ years in network monitoring or related work, 4+ years with specified Cisco, firewall, load balancer, monitoring, and network infrastructure technologies, active Secret clearance, and U.S. citizenship without dual citizenship.
Cisco ASA, Cisco FirePOWER, Cisco Catalyst, Cisco Nexus, Avaya PoE Switches, F5 LTM, F5 GTM, KEMP load balancers, Juniper SRX, Extreme Network IPS, ION SAL Modem SA5610, Raritan Secure Console Server, Avocent KVM Switch, RedSeal Appliance SYS‐1027R‐WRF4+, SafeNet 7000, Avaya Media Gateway G450, IBM DataPower XML Firewall, SolarWinds, NPM, SAM, IPAM, Netflow, IBM Netcool, VPN concentrators, firewall logs, switch packet capture tools, cloud services, storage systems
12h
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Intermediate Computer Security Systems Specialist
Fort Meade, Maryland, United States
$67k-$90k/yr OnsiteFull Time
4+ YOERequires 4–7 years of information system security experience, active Secret clearance, IAT Level II qualification, RMF knowledge, and experience with STIGs, ACAS, ESS, PKI, VPNs, firewalls, and intrusion detection.
Risk Management Framework, STIGs, ACAS, Endpoint Security Solutions (ESS), PKI, VPN, firewalls, intrusion detection systems
1mo
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Network Engineer (TS/Q Clearance required)
Washington or Albuquerque or Germantown or Denver
$111k-$150k/yr OnsiteFull Time
12+ YOEUS citizen with 12+ years network engineering experience; expertise with Cisco routers/switches/firewalls, routing protocols (BGP, OSPF, EIGRP), and network security; DOE Q or TS clearance required; bachelor’s degree or equivalent.
Cisco Routers, Cisco Switches, Cisco Technologies, Network Firewalls, Juniper, Palo Alto, BGP, OSPF, EIGRP, STP, RSTP, VXLAN, LACP, Microsoft DNS, Unix BIND, DISA STIGs
2mo
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Network Security Engineer
Columbia or Maryland or Virginia or West Virginia or Pennsylvania or District of Columbia
$63k-$84k/yr OnsiteFull Time
2+ YOEBachelor's in CS/IT/Cybersecurity, relevant certs (Security+, CCNA, CEH), minimum 2 years network security experience, hands-on firewall/IDS/IPS/VPN and vulnerability assessment/SIEM experience, ability to respond to incidents and provide training.
firewalls, IDS, IPS, VPN, SIEM, TCP/IP, DNS
2mo
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LAN/Network Specialist IV
Frederick, Maryland, United States
$102k-$146k/yr OnsiteFull Time
8+ YOEMinimum 8 years network experience; bachelor's degree or 4 years' relevant experience acceptable. Experience with routers, switches, data center switches, firewalls, and enterprise network hardware; strong organizational and communication skills; ability to obtain security clearance.
Switches, Routers, Firewalls, Load Balancers, Wireless APs, Panorama, Log Collectors, InfoBlox, F5, Palo Alto, SPBM Fabric, DNS, DHCP, UPS, PDUs
3mo
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Network Engineer TS/SCI w/Poly
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
12+ YOE12+ years IT experience with a bachelor’s in CS/IS/Engineering; DOD 8570 IAT Level II; two of: network troubleshooting, routers/switches, Cisco IOS/Junos, firewalls, hubs/bridges/gateways, network analysis, database tools; TS/SCI with poly.
Network troubleshooting tools, Routers, Switches, Cisco IOS/Junos, Firewalls, Hubs/Bridges/Gateways, Network packet investigation/analysis tools, Database tools
2mo
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Field Network Engineer - Maryland
Easton, Maryland, United States
FieldFull Time
1+ YOE1–4 years network engineer/administrator experience; Windows Server, Exchange, Windows, TCP/IP, DHCP, LDAP, DNS, VOIP, VPN knowledge; desktop support and network troubleshooting; firewall configuration; valid driver’s license; excellent communication skills.
Windows Server, Exchange, Windows, ConnectWise, Firewalls, TCP/IP, DHCP, LDAP, DNS, VOIP, VPN
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