Firewall/Network Security Administrator
Sumaria Systems, Inc
If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Firewall/Network Security Administrator Reg Full Time Salary Exempt Professional San Antonio, TX, US 30+ days ago Requisition ID: 1033 Job Title Network Security Engineer II (Boundary Protection) – JBSA Position Description The qualified candidate will support the Air Force Intranet Control (AFINC) III program supporting the 26th Network Operations Squadron (26 NOS) and enterprise Air Force network boundary operations at Joint Base San Antonio (JBSA), TX. This position supports the defense, monitoring, maintenance, and operational sustainment of Air Force enterprise boundary protection systems in support of mission-critical Department of Defense (DoD) network operations. The candidate will provide operational support for enterprise boundary security infrastructure, including firewalls, intrusion detection/prevention systems, proxy services, and related network security technologies protecting Air Force network resources from internal and external threats. The position operates within a highly dynamic enterprise environment supporting Department of Defense Information Network (DODIN) operations and Defensive Cyber Operations (DCO). This role is ideal for candidates with a strong networking foundation and an interest in advancing into enterprise network security and boundary protection operations. The environment is operationally focused and requires strong troubleshooting ability, accountability, critical thinking, and collaboration within a highly integrated technical team. This position operates within a 24x7x365 mission environment and requires adherence to established cybersecurity policies, procedures, and operational standards. Key Responsibilities Install, configure, monitor, troubleshoot, upgrade, patch, and harden: Firewalls IDS/IPS systems Load balancers Web proxies Protect AFNet resources from internal and external threats in accordance with DoD standards Perform advanced analytics on boundary protection systems to detect and mitigate threats Conduct Defensive Cyberspace Operations (DCO) and support DoDIN operations Monitor system health and respond to anomalous activity and cyber incidents Ensure systems comply with DoD cybersecurity requirements and security configurations Document system changes, troubleshooting actions, and incident response activities Coordinate with Government stakeholders and other technical teams to maintain mission readiness Required Certifications IAT Level II compliant certification (e.g., CompTIA Security+) CCNA Preferred Certifications: Palo Alto Networks Certified Network Security Administrator (PCNSA) Palo Alto Networks Certified Network Security Engineer (PCNSE) Education Requirements High School Diploma or GED required Experience Requirements Minimum 5+ years of experience in enterprise network security or cybersecurity operations At least 5+ years of experience supporting DoD boundary protection and/or Cybersecurity Service Provider (CSSP) operations Demonstrated experience with: Firewalls, IDS/IPS, proxies, and load balancers Network security monitoring and threat detection Performing complex analytics to identify and mitigate threats Experience supporting Defensive Cyberspace Operations (DCO) and DoDIN operations Strong understanding of DoD cybersecurity standards and enterprise network security architecture Clearance Requirements Active Top Secret clearance required SCI eligibility required Why Join Sumaria Systems Supporting critical Air Force missions Over 40 years supporting the Department of Defense Sumaria Systems is an Equal Opportunity Employer and considers all qualified applicants without regard to race, color, religion, sex, national origin, age, disability, or veteran status. #J-18808-Ljbffr Sumaria Systems, Inc
- ...Network SpecialistNexGen Data Systems is seeking a Network Specialist to provide daily... ...Active Department of Defense Secret level security clearance required.DoD Approved 8570 / 8... ...troubleshootingBasic network security awareness: firewalls, VPN conceptsCable termination,...SuggestedTemporary workLocal areaVisa sponsorship
- ...Network AdministratorWe are seeking a skilled Windows Network Administrator to join our IT team. The ideal candidate will be responsible... ...ensure system availability, security, and performance while... ...including modern enterprise firewalls and layer 3 switches. Design...SuggestedHourly payLocal areaRemote workMonday to Friday
- ...federal, state and local organizations. We are seeking an experienced Network Security Administrator III to lead the management, configuration, and optimization of boundary network devices such as firewalls, routers, and switches in support of the USAF on an IT Support...SuggestedFull timeContract workTemporary workWork at officeLocal areaMonday to FridayAfternoon shift
- Network System Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this... ..., you will ensure the reliability, security, and efficiency of both network operations... ...Router and switch setup Firewall management VPN administration System...SuggestedTemporary workFor contractorsImmediate startFlexible hours
$100k - $105k
...nation's most critical defense and national security priorities. Position overview: DLS Engineering is seeking a Network Administrator III (WAN) professional for a full-time... ...infrastructure, to include routers, switches, proxies, firewalls, servers, workstations, printers, Storage...SuggestedFull time- Network Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this... ...our team and ensure the reliability, security, and efficiency of our organization's... ...diagnostics tools Ability to manage firewalls Understanding of TCP/IP protocols Expertise...Temporary workFor contractorsImmediate startFlexible hours
- ...Corporation in San Antonio, TX is seeking a Network Engineer / Systems Administrator (SA) to design, implement, and... ...role focuses on reliable networks, secure servers, and responsive systems to... .../Windows server administration; firewalls; VMware; AD; and cloud tools. TS/SCI...
- ...position requires full U.S. Citizenship) Network Engineer / Systems Administrator (SA) LOCATION San Antonio, TX 78208... ...well as ensuring the reliability, security, and performance of our servers and... ...in configuring and managing firewalls Familiarity with virtualization technologies...Temporary workFor contractorsImmediate startFlexible hours
$134.5k - $265.1k
...You will design, implement, and optimize secure, outcome-focused solutions while... ...CriblExperience with infrastructure and networking concepts such as internet protocol (IP)... ...domain name system (DNS), load balancing, firewall technologies, or cloud environments such...Local areaVisa sponsorship$134.5k - $265.1k
...with resilience, grow with confidence, and proactively manage to secure success.Recruiting for this role ends on 12/31/2026.Work you'll... ..., WAFs, API gateways, Kubernetes, cloud, web/app servers, and network/security infrastructureExperience leading discovery, inventory...Local area- ...IT Security Specialist LOCATION San Antonio, TX 78208 CLEARANCE... ...Security Analyst, Security Engineer, Network Security Specialist, Security Administrator, IT Risk Analyst, Cyber Defense... ...Ability to configure firewalls Understanding of malware analysis...Temporary workFor contractorsImmediate startFlexible hours
$101.36k - $109.67k
...REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected... ...later.Proficiency in SQL, PL/SQL, and Red Hat Linux command line administration.Strong troubleshooting skills for OS, hardware/software,...Flexible hours$115k - $135k
...highly experienced Senior Linux Administrator to serve as the primary... ...theadministration, sustainment, security, automation, and... ...system, application, storage, networking, authentication, performance... ...routing,subnets, VLANs, NTP, firewalls, ports, and protocols.Experience...Local area$77k - $202k
...information, handling proprietary assets, or collaborating closely with team members. We evaluate these factors thoughtfully to establish a secure and trusted workplace for all.Applications will be accepted until the position is filled or the posting is removed, unless...Full timeH1b- ...Systems Administrator 3 Duration: 6-12 months Location: Denison, TX... ...critical issues and/or remediate security gaps Designing and implementing... ...groups ~ Basic understanding of networking skills and understand factory firewall topologies and architectures ~...Work at officeRemote workShift workWeekend workAfternoon shift
- ...Job Description: System Administrator II Location: Northwest San Antonio, TX 78257... ...high availability, performance, and security of our servers, networks, and systems. Good interpersonal communication... ...hardware (routers, switches, firewalls, wireless). Setup and support of...Full timeWork at officeRemote work
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- ...is seeking a Senior Systems Administrator supporting Tier 1 and Tier 2... ...records and reports concerning network operations and maintenance,... ...systems programming, system security policy procedures, and cloud... ...switches, routers, and ASA firewalls and intrusion prevention...Work at officeLocal area
- ...are, join our team.KPMG is currently seeking a Lead Engineer, Network Security Platform to join our Digital Nexus technology team.... ...Environments like Azure, GCP; deep level of expertise with Palo Alto firewalls including physical (Strata) and virtual (VM-Series) form...H1bLocal area
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$60k - $170k
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$103.6k - $155.4k
...) assesses and tests system cybersecurity requirements, system security architecture, and system security layout. The candidate will operate... ...to deployment of systems, digital communications systems, network protocols, computer architectures, and computer security penetration...Full timeRemote workRelocation packageShift work- ...specifically, we need a System Administrator that is Humble, Hungry, and... ...Do you want to work at a Security focused MSP that is growing,... ...also want to improve their network? Does your current MSP seem... ...LAN connectivity, routers, firewalls, and security. Remote access...Work at officeRemote work
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$103.6k - $155.4k
...assesses and tests system cybersecurity requirements, system security architecture, and system security layout. The candidate will operate... ...such as AWS and Azure, including familiarity with IAM, networking, storage, logging, and security services.Familiarity with CI/CD...Full timeRelocation packageShift work$96.8k - $161.5k
...seeking a highly skilled Senior Network Engineer for the Pacific... ...by ensuring the reliability, security, performance, and... ...ability to configure and support firewalls, VPN devices, and intrusion... ...using diagnostics and network administration tools such as Orion SolarWinds...For contractorsLocal area- ...Systems is seeking a Third Shift Wide Area Network Engineer. This engineer will support... ...Active Department of Defense Secret level security clearance required.DoD Approved 8570 / 8... ...knowledge with Routers, Switches, Firewalls, and Virtual Private Network devices.A good...Temporary workLocal areaVisa sponsorshipShift work
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