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Added 1 hour ago
Senior Network Engineer (Active Top Secret Clearance with SCI Eligibility Required) - Sign-On Bonus Up to $10,000
Akima, LLC
Honolulu, HI
ASE is looking for a Senior Cisco Network Engineer to work in Honolulu, HI. The Senior Cisco Network Engineer is a pivotal role, providing operational knowledge and support to the…
Added 1 hour ago
Senior Network Engineer (Active Top Secret Clearance with SCI Eligibility Required) - Sign-On Bonus Up to $10,000
Akima, LLC
Honolulu, HI
ASE is looking for a Senior Cisco Network Engineer to work in Honolulu, HI. The Senior Cisco Network Engineer is a pivotal role, providing operational knowledge and support to the…
Added 1 hour ago
Network Engineer (Active Top Secret Clearance with SCI Eligibility Required) - Sign on bonus up to $5,000
Akima, LLC
Honolulu, HI
ASE is looking for a Network Engineer to work in Honolulu, HI. To join our team of outstanding professionals, apply today!
Added 1 hour ago
Cybersecurity Threat Intelligence Engineer II - Att@ck
Premera Blue Cross
Mountlake Terrace, WA
…systems, including: systems integration, hardware requirements and network design planning; vendor negotiations for hardware and software; which must…
Added 1 hour ago
A
Devsecops Engineer
Actalent
Colorado Springs, CO
- $50 to $75 USD / hour
Job Title: DevSecOps EngineerJob DescriptionThe DevSecOps Engineer designs, builds, and maintains secure, automated software delivery pipelines for complex radar systems operating in highly…
Added 1 hour ago
Field Service Technician II (ATM) - St. Louis, MO.
Military Spouse Jobs & VetJobs
United States
Are you a Field Technician, Field Engineer, or Service Technician - or interested in starting a career in this field? Are you tech savvy with strong mechanical aptitude and transferrable…
Added 1 hour ago
Field Service Technician II (ATM) - Erie, PA
Military Spouse Jobs & VetJobs
United States
Are you a Field Technician, Field Engineer, or Service Technician - or interested in starting a career in this field? Are you tech savvy with strong mechanical aptitude and transferrable…
Added 1 hour ago
Field Service Technician II - Hartford, Connecticut
Military Spouse Jobs & VetJobs
United States
Are you a Field Technician, Field Engineer, or Service Technician - or interested in starting a career in this field? Are you tech savvy with strong mechanical aptitude and transferrable…
Added 2 hours ago
DISTINGUISHED SCIENTIST/ENGINEER FOR USW ENTERPRISE SOS INTEGRATION
Naval Sea Systems Command
Naval Base Newport, RI
Added 2 hours ago
CT
Paint Manufacturing Engineer Supervisor - Ditch Witch
CMW The Charles Machine Works, Inc.
Perry, OK
- $80,000 to $101,000 USD / year
…and family members. All of our locations build the intricate network of machinery that contributes to The Toro Company. We contribute to building communities, cities, and the world. We…
Added 2 hours ago
Vertical Sales Engineer II, Spectrum Business
Spectrum
Honolulu, HI
Do you thrive on designing advanced network solutions for clients in specialized vertical markets? As a Vertical Sales Engineer II at Spectrum, you will partner with sales teams and…
Added 2 hours ago
Computer Systems Security Analyst - E2
Lockheed Martin
Sunnyvale, CA · Sunnyvale
…including architectures, firewalls, electronic data traffic, and network access. Uses encryption technology, penetration and vulnerability analysis of various security technologies, and…
Added 2 hours ago
Supplier Quality Engineer II
COV Covidien LP
Boulder, CO
A Supplier Quality Engineer II collaborates with a diverse network of suppliers to resolve quality challenges affecting production. This role involves working closely with the production…
Added 2 hours ago
Equipment Maintenance Engineer
Harbinger Motors Inc.
Garden Grove, CA
Harbinger Motors is expanding, and we are looking for an Equipment Maintenance Engineer to support our advanced EV manufacturing lines (Battery, General Assembly, EDU, Stator/Hairpin). This…
Added 3 hours ago
Engineer II, Automated Test Systems (Onsite)
RTX
United States
…organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units…
Added 3 hours ago
Product Security Engineer (Senior)
The Boeing Company
Seal Beach, CA · El Segundo, CA
The Boeing Company is seeking a Senior Product Security Engineer to join the Boeing team in Seal Beach, CA or El Segundo, CA. This position will focus on supporting a proprietary program…
Added 4 hours ago
Sr. Software Engineer (Starlink)
SpaceX
Redmond, WA
As a Sr. Software Engineer on the Starlink Enterprise Products team you will define, build, and deploy product features and capabilities that unlock new opportunities to advance global…
Added 4 hours ago
Systems Engineer II
Aerospace
Torrance, CA
As a Systems Engineer II here at Honeywell Aerospace, you will play a critical role in the design, implementation, and management of complex systems and solutions that drive innovation,…
Added 4 hours ago
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Installation Technician II
AVI-SPL
Cleveland, OH
- $23.07 to $29.81 USD / hour
Intermediate understanding of network infrastructure and how it integrates with audiovisual systems (e.g., IP-based systems, streaming, cloud-based services). Ability to lead site teams on…
Added 4 hours ago
OT Network Engineer, Mission Systems
SpaceX
Memphis, TN
SpaceX is looking for an exceptional network engineer with experience in mission-critical and large-scale production environments to support high-cadence launch operations as well as…
Added 4 hours ago
Senior Controls Engineer - Cincinnati, OH
GENERAL MILLS SERVICES, INC.
Cincinnati, OH
…hungry for what's next. Position Overview The Senior Controls Engineer II provides technical leadership for the electrical, controls, and information systems that support safe, reliable,…
Added 4 hours ago
AT
Software Engineer II
Akamai Technologies, Inc.
Columbus, OH
- $95,000 to $171,000 USD / year
Our team builds and maintains the software infrastructure powering Akamai's global edge network, one of the world's largest distributed systems serving billions of daily requests. We…
Added 4 hours ago
Manufacturing Engineer II (Onsite)
Collins Aerospace
Troy, OH
Added 4 hours ago
Senior Electrical Engineer II
Formova LLC
Chalfont, PA
As our Senior Electrical Engineer II for the Engineering department, you will report to the Manager, Engineering.
Added 5 hours ago
Product Concept Lead Engineer
Rivian
Irvine, CA

Robert Half

Network Security Engineer

San Antonio, TX, United States

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Job details

Posting language: English
Posted: Sep 28, 2026

Original job description

Description We are looking for a Network Security Engineer to support and strengthen enterprise network operations in San Antonio, Texas. This role focuses on securing and optimizing both on-premises and Azure-based environments while helping maintain reliable connectivity across critical infrastructure. The ideal candidate brings deep hands-on experience with network security technologies, strong troubleshooting ability, and a practical approach to designing scalable, resilient solutions.

Responsibilities:

Manage and support network infrastructure across Cisco-based on-premises environments and Microsoft Azure networking services to ensure secure, stable performance.
Diagnose complex network and hardware problems, perform root cause analysis, and restore service for high-impact incidents affecting business operations.
Evaluate existing network architecture and recommend improvements that align with future capacity, security, and operational requirements.
Oversee intrusion monitoring activities, investigate suspicious network events, and coordinate timely response actions to reduce security risk.
Maintain current security signatures, protection features, and related configurations so defensive systems remain effective against emerging threats.
Design secure network solutions for local data center and Azure Government cloud deployments in accordance with project goals and architectural standards.
Track and report network performance indicators to support operational reviews, service visibility, and ongoing infrastructure planning.
Implement firewall policy updates, web filtering adjustments, and other network security changes in accordance with approved requirements.
Perform lifecycle maintenance activities, including hardware and software upgrades for Cisco switches, Check Point firewalls, and F5 load balancing platforms. Requirements • At least 10 years of overall IT experience, including 5 or more years focused on network design, deployment, and operational support.
Minimum 5 years of hands-on experience with Check Point security technologies, including firewall administration and intrusion prevention capabilities.
Minimum 5 years of practical experience with Cisco networking platforms such as Nexus, Catalyst, routers, ASA, and VPN technologies.
Strong knowledge of Azure networking services, including virtual networks, routing, subnets, ExpressRoute, and network security controls.
Solid understanding of core networking concepts such as TCP/IP, BGP, subnetting, routing, load balancing, and IPsec.
Experience working with F5 load balancers and related traffic management solutions in enterprise environments.
Scripting ability in PowerShell, Python, Bash, or similar languages is preferred.
Bachelor’s degree in Information Technology, Information Security, or a related field, or four additional years of equivalent network security engineering experience; CCNA required, Azure Network Engineer Associate preferred, and must be a U.S. citizen eligible to obtain and maintain Tier 3 / Level II IT Security Clearance. Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

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