20 firewall specialist jobs at 16 companies in Poolesville, MD
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Cybersecurity Specialist
Fort Belvoir, Virginia, United States
OnsiteFull Time
5+ YOERequires TS/SCI clearance (CI poly obtainable). Expertise in cloud security architecture, vulnerability scanning, incident response, enterprise security tools (firewalls, IDS/IPS, SIEMs), and cybersecurity standards (NIST, NICE).
firewalls, IDS/IPS, SIEMs
3mo
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Cyber Security Engineering Specialist IV/ Firewall Engineer
Springfield, Virginia, United States
$104k-$218k/yr OnsiteFull Time
8+ YOE8+ years network security experience; TS/SCI with CI poly; DOD 8570 IAT II; CSSP Infrastructure; Bachelor’s in CS or related field; travel up to 15% (CONUS/OCONUS); MS Office proficiency.
Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD/ASA, Unix, Windows Server, VMware, Active Directory
3mo
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Cyber Security Engineering Specialist IV/ Firewall Engineer
Springfield, Virginia, United States
$104k-$218k/yr OnsiteFull Time
8+ YOEActive TS/SCI and CI polygraph eligible; Bachelor’s in CS or equivalent experience; 8+ years network security experience; DoD 8570 IAT II and CSSP Infrastructure Support (within 6 months); experience with Juniper, Palo Alto, F5, Cisco, Unix/RHEL, Windows AD, VMware, and DoD architectures.
Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD, Cisco ASA, Unix, RHELS OS, Windows Enterprise AD, VMware, DoD Architecture Framework, IDS, Microsoft Visio, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
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
1d
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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
2w
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IT Cybersecurity Specialist - Remote
Baltimore, Maryland, United States
RemoteFull Time
3+ YOE3+ years IT experience with network administration, cloud infrastructure, firewall/VPN configuration, Microsoft Azure/365 technologies; CompTIA Security+/Network+ preferred.
Microsoft Azure, Microsoft Intune, Microsoft EntraID, Microsoft Defender (ATP), Microsoft Purview, Microsoft Office 365, AWS, SIEM, Active Directory, Windows Server, Windows 10/11, Apple/Mac
17h
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IT Cybersecurity Specialist
Rockville, Maryland, United States
$122k-$158k/yr OnsiteFull Time
1+ YOERequires one year of specialized experience equivalent to GS-12, including secure cloud and on-premises architecture, vulnerability remediation, VPN management, or Next-Generation Firewall administration.
VPN, Next-Generation Firewalls (NGFW), NAT, App-ID
2w
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IT SPECIALIST (NETWORK)
Naval Surface Warfare Center, Maryland, Maryland, United States
$121k-$185k/yr OnsiteFull Time
1+ YOEExpert knowledge of Cisco security products (ASA, FTD, ISE), network and firewall operations, risk and vulnerability assessments, and developing network/security plans; Top Secret clearance and drug testing required.
Cisco ASA, Firepower Threat Defense (FTD), Identity Services Engine (ISE)
1w
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Edge Connectivity Specialist 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 Saint Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and experience with LAN/WAN, wireless, routing, switching, VPNs, VLANs, and firewalls.
Azure, AWS, SD-WAN, VLANs, VPN, LAN/WAN, Fortinet, Palo Alto, Aruba
1w
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Edge Connectivity Specialist 2
Omaha or Phoenix or Saint Paul or Austin or Kansas City or Columbia or Denver or Vienna or Saint Louis Park or Folsom or Portland or Pennington or Woodcliff Lake or Orlando or Harrisburg or Salem or Fort Worth or Pittsburgh or San Antonio or Dallas or Albuquerque or Olympia or Englewood
OnsiteFull Time
3+ YOEBachelor’s degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and expertise in LAN/WAN, routing, switching, VLANs, VPNs, wireless, firewalls, and network troubleshooting.
LAN/WAN, VPN, SD-WAN, VLAN, Microsoft Azure, AWS, Fortinet, Palo Alto, Aruba, CCNA, CCNP
1mo
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Network Specialist
Arlington, Virginia, United States
$102k-$178k/yr OnsiteFull Time
US citizen with active TS/SCI clearance. Experience in systems administration or networking, COMSEC training/experience, knowledge of network fundamentals and secure system administration, and relevant certifications (Security+, Network+).
COMSEC, PKI, DNS, DHCP, TCP/IP, HTTP, routers, switches, firewalls, servers, virtualized environments
1mo
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Cybersecurity Specialist
Fort Belvoir, Virginia, United States
OnsiteFull Time
5+ YOEExpertise in cloud security architecture, enterprise cyber architecture, vulnerability scanning, incident response, SIEM/IDS/IPS, and NIST/NICE standards; TS/SCI clearance required; bachelor's +5 years (or advanced degree/experience alternatives).
COTS, GOTS, IDS/IPS, SIEM, firewall, NIST, NICE Framework
1mo
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Customer Support Specialist – USA
Washington or Israel or North America
HybridFull Time
5+ YOE5+ years technical support experience with complex software-hardware systems; strong networking (TCP/IP, routing, switching, firewalls), Linux, log analysis, troubleshooting, and collaboration with engineering; excellent English communication.
Linux, TCP/IP, RF
17h
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IT Cybersecurity Specialist (Information Security)
Oakland or Washington or Hines or Eatontown or Albany or Philadelphia or Austin or Salt Lake City or Martinsburg or Shepherdstown
$91k-$118k/yr HybridFull Time
1+ YOEOne year of GS-12-equivalent specialized experience in network security, vulnerability patching, security reviews, risk management, cyber defense applications, routing, load balancing, firewalls, IDS/IPS, or packet brokers.
NIST RMF, intrusion detection/protection systems, antivirus, content blacklists, IDS/IPS, packet brokers, USA Hire, USAJOBS
3d
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Supervisory IT Specialist (NETWORK/INFOSEC)
Battle Creek or Whitehall or Wright-Patterson Air Force Base or New Cumberland or Philadelphia or Hill Air Force Base or Fort Belvoir or Richmond
$126k-$187k/yr OnsiteFull Time
1+ YOEOne year of specialized experience equivalent to GS-13 directing network teams, managing enterprise equipment and technology refresh, monitoring performance and security, and addressing STIG and IAVA compliance.
routers, firewalls, Security Technical Implementation Guides (STIGs), Information Assurance Vulnerability Alerts (IAVAs)
2w
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Senior Specialist, Network Plan Engineer (41730)
Palm Bay or Herndon
$102k-$189k/yr OnsiteFull Time
6+ YOE6+ years network engineering experience (or 4+ with graduate degree or 12+ without degree), TS/SCI clearance, IAT Level II or equivalent, hands-on experience with firewalls, routers, switches, VLANs, NAT/PAT, VPN, and TCP/IP.
Firewalls, Routers, Switches, VLANs, NAT/PAT, VPN technologies, TCP/IP, SDN, Linux, Windows
1mo
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Senior Specialist, IT Network Support - Operations (Ashburn, VA, US, 20147)
Ashburn or United States or Canada
$92k-$100k/yr FieldFull Time
5+ YOE5+ years network engineering/support experience; expertise in TCP/IP, DNS, DHCP, Wi‑Fi, routing, switching, firewalls; able to design, implement, troubleshoot enterprise networks; willing to travel extensively across US and Canada.
Cisco Meraki, TCP/IP, DNS, DHCP, Wi-Fi, VPN, POS, PCI
22h
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Cyber Security Operations Specialist (Adv. Cyber Analytics)
Springfield or St. Louis
$110k-$118k/yr OnsiteFull Time
4+ YOERequires active TS/SCI clearance, U.S. citizenship, and 4–10 years of related experience depending on education. Requires security operations, systems analysis, teamwork, leadership, and mentoring abilities.
Electronic Key Management System, Public Key Infrastructure, Host Based Security System (HBSS), firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, Virtual Private Networks
2mo
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Network Engineer, IT Specialist III- Baltimore City Department of Information Technology
Baltimore, Maryland, United States
$81k-$130k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years related IT experience; expertise in enterprise routing, switching, firewalls (Cisco ASA, Palo Alto), Cisco ACI, data center and wireless support, network automation, and strong communication skills; PMP/CISM preferred.
Cisco ASA, Palo Alto, Cisco ACI
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