Jobs in the United States

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Added 1 min ago
Senior Power Systems Electrical Engineer
Electric Power Systems Inc
Anchorage, AK
…substations up to 230 kV, power plants from 100 kW to 25 MW, and protection, control and monitoring systems including SEL based relays and PLC based SCADA systems. We extensive experience…
Added 4 mins ago
Electrical Engineer 1 (Entry-Level) - Nuclear (Summer 2027)
Sargent & Lundy
Wilmington, DE
As an Electrical Engineer 1 in our Nuclear Power Group, you will play a vital role on projects that make a real impact. You will help design and modernize critical electrical systems and…
Added 4 mins ago
Program Specialist II
Texas A&M Engineering
College Station, TX
…policies and state regulations pertaining to the safety and protection of…
Added 6 mins ago
Senior IT Systems Engineer
Flexport
Remote, United States
Flexport IT is looking for a Senior IT Systems Engineer to support our SaaS based Collaboration and Endpoint Management platforms. In this role, you will be responsible for the…
Added 6 mins ago
Senior IT Systems Engineer
Flexport
Bellevue, WA · San Francisco, CA
Flexport IT is looking for a Senior IT Systems Engineer to support our SaaS based Collaboration and Endpoint Management platforms. In this role, you will be responsible for the…
Added 7 mins ago
JA
Senior/Staff Test Engineer - Battery System Integration Testing
Joby Aviation
San Carlos, CA
- $133,400 to $232,000 USD / year
Joby Aviation is seeking a passionate, motivated and hands-on Senior or Staff Test Engineer on the Energy Storage and Distribution System (ESDS) Test Team to lead battery system integration…
Added 10 mins ago
V
Senior Security Engineer
Vultr
Remote, United States
- $120,000 to $150,000 USD / year
…enterprises and AI innovators around the world. With 33 global cloud data center locations, Vultr is trusted by hundreds of thousands of active customers across 185 countries for its…
Added 11 mins ago
Senior Cloud Infrastructure Engineer
Lighthouse Document Technologies Inc
Remote, United States
Design secure, governed patterns for using AI services in infrastructure workflows, including identity, access control, data protection, auditability, and cost management.
Added 14 mins ago
Global Vendor Manager, Data Center Infrastructure
Cloudflare
Austin, TX · Denver, CO · Washington, DC
This role focuses on sourcing and managing suppliers globally for Data Center Infrastructure services, including structured cabling, DC infrastructure installation, power system…
Added 15 mins ago
VD
Distinguished Engineer- Product Engineering
Verizon Data Services LLC
Basking Ridge, NJ
- $153,000 to $267,000 USD / year
As a Distinguished Engineer - Product Engineering, will be responsible for leading the development of technologies in support of enterprise use-case solutions on private and public wireless…
Added 19 mins ago
Manufacturing Engineer I
Galvion LTD
Newport, VT
…worldwide. We design, develop, and manufacture ballistic helmets and data management solutions for the modern battlefield. Galvion emphasizes innovation, collaboration, and forward-thinking…
Added 20 mins ago
Classified Specialist - Network Systems Engineer - Technology - Papillion La Vista Community Schools
Papillion La Vista Community Schools
Papillion, NE
GENERAL DESCRIPTION: The Network Systems Engineer is responsible for the design, administration, security, and maintenance of the district’s server environment (physical and virtual), cloud…
Added 23 mins ago
Senior ICAM Engineer
Resource Management Concepts, Inc.
Charleston, SC
Knowledge of role- and attribute-based access controls, least privilege, and identity data protection.
Added 23 mins ago
Senior Database Engineer
Resource Management Concepts, Inc.
Charleston, SC
…exceptional management and technology solutions supporting the protection and preservation of the people and environment of the United States of…
Added 23 mins ago
Artificial Intelligence Engineer
Resource Management Concepts, Inc.
Charleston, SC
RMC is seeking an AI Engineer to design and deploy secure AI systems that connect foundation models with enterprise tools, data, and services. You will build agent architectures, advanced…
Added 25 mins ago
Senior Electrical Engineer
Anduril Industries
Waltham, MA · Hudson, NH
The Space Imaging team is seeking an Electrical Engineer to join the team. The Space Imaging team is responsible for all aspects of spaceborne EO/IR system development, from the ideation…
Added 25 mins ago
Senior Electrical Engineer
Anduril Industries
Goleta, CA · Hudson, NH
The Space Imaging team is seeking an Electrical Engineer to join the team. The Space Imaging team is responsible for all aspects of spaceborne EO/IR system development, from the ideation…
Added 27 mins ago
T
Full Stack Developer III
TEKsystems
Newport Beach, CA
- $60 to $80 USD / hour
…Containerization and orchestration tools Cybersecurity and data protection best practices AWS Certifications (Solutions Architect, Developer Associate,…
Added 34 mins ago
W4
Robotic Process Automation (RPA) Engineer
West 4th Strategy
Remote, United States
- $125,000 to $132,500 USD / year
We need an experienced Robotic Process Automation (RPA) Engineer at the Office of the Under Secretary of Defense for Personnel and Readiness (OUSD(P&R)) Comptroller. This office manages the…
Added 39 mins ago
Sr. Application Security Engineer
American Express Global Business Travel
Carson City, NV
Background in penetration testing or red team operations; knowledge of MLSecOps practices including model security, data pipeline protection, and AI/ML supply chain security
Added 42 mins ago
Software Engineer II
Availity
Remote, United States
Reporting to Manager, Software Engineering the Software Engineer II will develop and maintain payer customer implementations supporting our Authorizations suite. We anticipate ~80% backend…
Added 43 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 50 mins ago
A
Security Lead - Multiple Openings
Axiado
San Jose, CA
- $151,000 to $152,000 USD / year
…emulation environments; Design and implement TPM-integrated data protection and encryption solutions using NIST-approved algorithms (including ECDSA, SHA, and AES), anchored by secure boot…
Added 52 mins ago
Senior Mechanical Engineer - Technical Manager - Tunnel Ventilation & Fire-Life Safety
WSP
New York, NY · NY
WSP is seeking a Senior Mechanical Engineer - Technical Manager - Tunnel Ventilation & Fire-Life Safety to join our Tunnel Systems Team!
Added 52 mins ago
Lead Mechanical Engineer - Tunnel Ventilation & Fire-Life Safety
WSP
New York, NY · NY
WSP is seeking a Lead Mechanical Engineer - Tunnel Ventilation & Fire-Life Safety to join our Tunnel Systems Team!

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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