Jobs in the United States

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Added 3 mins ago
Senior Network Engineer
The MITRE Corporation
Bedford, MA
The MITRE Corporation’s Communications System Engineering (CSE) Department (L617) is seeking a Senior Network Engineer to support the Department of the Air Force Command, Control,…
Added 9 mins ago
A
Controls Engineer
Actalent
Minneapolis, MN
- $50 to $65 USD / hour
…high-volume, short-duration automation projects, with typical project lengths ranging from 6 to 10 weeks. The Controls team consists of a small, collaborative group of controls engineers…
Added 10 mins ago
Maintenance Manager
Wellman Dynamics Division
Creston, IA
Project engineer relating to manufacturing equipment and building and grounds.
Added 14 mins ago
Scientist/Engineer, Mixed Modality Technical Operations - Lilly Medicine Foundry
Eli Lilly and Company
United States
The Scientist/Engineer – Technical Operations becomes an expert in their assigned area, Small Molecule, Hybrid, or Biologics, and serves as a key integrator with Process Engineering,…
Added 15 mins ago
PRODUCT DEVELOPMENT TEST TECHNICIAN
Vybond
Franklin, KY
…Working under the direction of the Product Development Test Engineer and in collaboration with Product Development, Quality, and Operations, the Technician plans and prioritizes assigned…
Added 17 mins ago
TQ
Field Quality Associate - 2nd Shift
TEAM QUALITY SERVICES INC
Dearborn, MI
- $25 USD / hour
Quality Liaison – Engineering Consultant – Supplier Liaison – Liaison Engineer – Customer Liaison – Quality Control – Quality Supervisor– Customer Service – Retail Store Managers
Added 17 mins ago
Associate Structural Engineer (Buildings)
WSP
New York, NY · NY
WSP is currently initiating a search for an Associate Structural Engineer for our New York, NY office. Be involved in projects with our Property and Buildings Team and be a part of a…
Added 38 mins ago
EI
Operations Efficiency Technician I - 2nd Shift
Entegris, Inc.
San Luis Obispo, CA
- $24 to $26 USD / hour
Printing all drawings related to Project, verify redlines on drawings, report/document issues and work with Value Stream Manufacturing Engineer.
Added 40 mins ago
PRODUCT DEVELOPMENT TEST TECHNICIAN
VYBOND SPECIALTY ADHESIVES LLC
Franklin, KY
…Working under the direction of the Product Development Test Engineer and in collaboration with Product Development, Quality, and Operations, the Technician plans and prioritizes assigned…
Added 44 mins ago
A
Project Engineer
Actalent
San Francisco, CA
- $115,000 to $175,000 USD / year
Were seeking a Project Engineer to help deliver technically complex, design-driven building projects from concept through construction and commissioning.In this role, youll lead the…
Added 44 mins ago
Electrical Engineer
Actalent
Cedar Park, TX
Develop 2D CAD drawings and design documents in accordance with project requirements and engineering standards.
Added 46 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 46 mins ago
Security Architect - TS/SCI
Xcelerate Solutions
Bethesda, MD
Xcelerate Solutions has an exciting opening for you as our next TS/SCI Security Engineer Architect working across several Task Orders under the DOMEX Technology Platform (DTP) contract…
Added 48 mins ago
Sr Software Engineer I-FullStack
Staples Canada
Framingham, MA
Senior Software Engineer I /Work Model: Onsite, Framingham
Added 57 mins ago
Consultant -- Azure, Data & AI
Coretek Services
Remote, United States
Azure certifications such as Azure Data Engineer Associate (DP-203), Azure AI Engineer Associate (AI-102), Azure Solutions Architect Expert (AZ-305), or Azure Fundamentals (AZ-900).
Added 1 hour ago
Electrical Instrumentation Engineer
Chart Industries
Beasley, TX
The instrumentation and controls engineer will help design and develop control systems and instrumentation as part of turbomachinery packages using his/her instrumentation, controls and…
Added 1 hour ago
Network Security Engineer
Robert Half
San Antonio, TX
…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…
Added 1 hour ago
SR Data Engineer
Beacon Health System
Granger, IN
Reports to the Manager, Business Intelligence. The Data Engineer delivers insights and supports data driven decision making at Beacon. On a daily basis, the Lead Data Engineer will lead…
Added 1 hour ago
Associate Design Engineer II- Mechanical Engineer New Graduate
Fluor
Houston, TX
Review vendor equipment documentation within the discipline and from other disciplines for compliance with project requirements, and actively seek discrepancy resolution
Added 1 hour ago
Senior Project Manager – Commercial Real Estate
Lincoln Property Company
Los Angeles, CA
Collaborate with all stakeholders (development, brokerage, leasing, client, tenant, architect, engineer, consultants, general contractor) to execute project plans.
Added 1 hour ago
Senior Technical IT Storage Engineer
HM Health Solutions Inc.
Remote, United States
Mentoring other associate and intermediate technical engineers as needed.
Added 1 hour ago
Azure Cloud Architect
Dhaka Technologies Limited Company
Washington, DC
…virtualization team, and provides technical direction to an Azure Cloud…
Added 1 hour ago
Lab Tech - Processing and Material Mgmt.
Evonik Corporation_4142
Allentown, PA
Our success hinges on a diversity of ideas powered by people, not egos. Whether you’re a scientist or engineer, new to the team or established, in business, production, or anything in…
Added 1 hour ago
Information Security Engineer
Sinclair Broadcast Group
Cockeysville, MD · Hunt Valley, MD
…Security program. You will fill the role of Information Security Engineer with a focus on supporting an enterprise Vulnerability Management program. You will apply security in-depth…
Added 1 hour ago
Field Service Engineer 3
Onto Innovation Inc-US
Remote, United States
Semiconductor Metrology & Inspection Field Service Engineer (Level 3)

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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