Jobs in the United States

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Added 2 mins ago
Principal DevOps Engineer
KBR
Colorado Springs, CO
Our KBR team in Colorado Springs, CO is seeking a Principal DevOps Engineer. This role is pivotal in integrating cloud technologies with DevOps practices, requiring a blend of technical…
Added 4 mins ago
Senior DevOps Engineer
Resource Management Concepts, Inc.
Charleston, SC
The engineer will work closely with software developers to establish consistent environments and move services into reliable, scalable deployments. Candidates should understand how cloud…
Added 4 mins ago
Senior Database Engineer
Resource Management Concepts, Inc.
Charleston, SC
RMC is seeking a Senior Database Engineer with systems programming expertise and a strong background in database engineering. This role focuses on understanding how database engines and…
Added 5 mins ago
Senior Firmware Engineer
Anduril Industries
Waltham, MA
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Senior Electrical Engineer
Anduril Industries
Waltham, MA · Hudson, NH
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Senior Electrical Engineer
Anduril Industries
Goleta, CA · Hudson, NH
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Manufacturing Engineer, Mechanical (Dive-XL)
Anduril Industries
Quincy, MA · Quonset, RI
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Manufacturing Engineer
Anduril Industries
Lexington, MA
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 5 mins ago
Electrical Engineer
Anduril Industries
Waltham, MA · Lexington, MA
…cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not…
Added 12 mins ago
Lead ATM Systems Engineer
Manufacturers and Traders Trust Co
Remote, United States
…millions of customer transactions annually. As a Technical Engineer IV supporting ATM and TCR technologies, you will serve as a technical specialist and senior engineering resource across…
Added 15 mins ago
AI DevOps Engineer-Dallas or Mokena-GC or US Citizen required
Atkore
Mokena, IL · Dallas, TX
We are looking for an AI DevOps Engineer to support Atkore’s newly established AI team. The AI DevOps Engineer will be a member of the Enterprise Architecture, Data Services and Automation…
Added 18 mins ago
Lead Network Project Engineer
Parsons Technical Services, Inc.
CO
Parsons is seeking a talented Lead Facility Comm Project Network Engineer to join our growing team!
Added 19 mins ago
Customer Identity Platform Engineer
Ford Global
Remote, United States
The Customer Identity Platform Engineer will contribute to the engineering, development, and 24/7 support of identity and access management highly available solutions for the customer…
Added 20 mins ago
SITEC - Network Engineer - MacDill AFB
Peraton
MacDill AFB, FL
The SOF Integration Facility team is in search of an experienced and innovative Senior Network Engineer to support USSOCOM’s network enterprise modernization initiatives. We are seeking a…
Added 20 mins ago
Senior System Software Engineer, NVLink Fusion
NVIDIA USA
CA · MA
We are looking for a Senior System Software Engineer to develop low-level software for NVIDIA NVLink Fusion, a high-bandwidth, low-latency interconnect platform for next-generation…
Added 20 mins ago
Broadcast Engineer
Apple
Cupertino, CA
…widely watched live productions in the world. As a broadcast engineer you'll sit at the center of it all, keeping the infrastructure that makes these moments possible…
Added 21 mins ago
Senior Engineer - Firmware
Vector Atomic
Pleasanton, CA
…cybersecurity, and defense. IonQ’s advancements in quantum networking position the company as a leader in building the quantum…
Added 24 mins ago
Cyber Security Engineer
Accenture Federal Services
Washington, DC
The Cybersecurity Engineer is responsible for the ongoing design, implementation, monitoring, and maintenance of security systems that protect networks, applications, and data from evolving…
Added 25 mins ago
WS
T2 Service Desk Engineer
WEBIT Services
Naperville, IL
- $60,000 to $80,000 USD / year
As a Tier 2 Service Desk Engineer, you will serve as the mid - level of technical support within our service desk team. You will handle technical issues, provide guidance, and collaborate…
Added 28 mins ago
Systems Engineer Associate
SAIC
Panama City Beach, FL
SAIC is seeking a Systems Engineer Associate to join and support our dynamic team in Panama City Beach, Florida.
Added 28 mins ago
Field Technician
RJ Young
Gulfport, MS
…Network, and Fiber cabling systems under the guidance of the Field Engineer. This hands-on role focuses on installation tasks, quality workmanship, and continuous skill development. Strong…
Added 28 mins ago
Field Technician
RJ Young
Nashville, TN
…Network, and Fiber cabling systems under the guidance of the Field Engineer. This hands-on role focuses on installation tasks, quality workmanship, and continuous skill development. Strong…
Added 28 mins ago
Continous Improvement Engineer
ProAmpac
Huntley, IL
The Continuous Improvement Engineer position provides leadership and support to the deployment of a strategic plan which ensures customer satisfaction through the efficient production of…
Added 29 mins ago
Sr. Infrastructure Design Engineer
NC Health Affiliates LLC DBA Blue Cross NC
United States
…requirements to effectively design data center infrastructure, networking and telephony systems while determining design feasibility from both technical and economic perspectives. Develop…
Added 31 mins ago
Senior Project Manager - Highway/Traffic
French & Parrello
Camden, NJ
Support business development initiatives through networking, industry involvement, client engagement, and participation in professional organizations.

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.

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