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Denton County Transportation Authority

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Network Security Administrator

Lewisville, TX · On-site

$70K - $85K/yr

The Network Security Administrator serves as an individual contributor within DCTA's Innovation & Information Technology department. This position is responsible for the administration, security, and ...

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How much do dcta jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for dcta in the United States is $26.34, according to ZipRecruiter salary data. Most workers in this role earn between $15.14 and $30.77 per hour, depending on experience, location, and employer.

What are some common challenges faced by dental clinical teaching assistants in their daily responsibilities?

Dental Clinical Teaching Assistants (DCTAs) often balance multiple tasks, such as supporting faculty during practical sessions, assisting students with clinical procedures, and managing equipment sterilization and inventory. One common challenge is adapting to varying skill levels among students, which requires patience and strong communication skills to ensure everyone receives appropriate support. Additionally, DCTAs must stay organized and responsive to changing schedules in a fast-paced clinical environment, while maintaining high standards for infection control and patient care.

What are the key skills and qualifications needed to thrive as a dental clinical team assistant, and why are they important?

To thrive as a Dental Clinical Team Assistant (DCTA), you need knowledge of dental procedures, infection control, and dental terminology, often supported by a dental assisting certificate or diploma. Familiarity with dental radiography, chairside assisting techniques, and dental office management software is typically required. Strong communication, organization, and attention to detail are essential soft skills for this role. These skills ensure smooth clinical operations, high standards of patient care, and effective support to dentists and the broader dental team.

What is a dcta?

DCTAs, or Dental Care Treatment Assistants, are professionals who support dentists and dental hygienists in providing dental care to patients. They prepare treatment rooms, assist during dental procedures, sterilize instruments, and help manage patient records. DCTAs play a crucial role in ensuring dental practices run smoothly by facilitating patient comfort and maintaining a clean, organized environment. Their responsibilities can also include administrative tasks such as scheduling appointments and handling billing. Becoming a DCTA typically requires specialized training or certification in dental assisting.

What is the difference between Dcta vs Data Center Technician?

AspectDctaData Center Technician
Required CertificationsCompTIA Server+, Cisco CCNA, Data Center certificationsCompTIA Server+, Data Center certifications, Cisco CCNA
Work EnvironmentData centers, server rooms, technical supportData centers, server rooms, hardware troubleshooting
Employer & Industry UsageIT companies, data center providersIT firms, cloud providers, telecom companies
Common Search & ComparisonYesYes

Both Dcta and Data Center Technician roles involve working in data centers, handling hardware, and requiring similar certifications like CompTIA Server+ and Cisco CCNA. The main difference is that Dcta often emphasizes more on data center automation and management, while Data Center Technicians focus on hardware troubleshooting and maintenance. Both roles are essential in the IT industry and often overlap in skills and work environment.

More about Dcta jobs
What cities are hiring for Dcta jobs? Cities with the most Dcta job openings:
What states have the most Dcta jobs? States with the most job openings for Dcta jobs include:
What job categories do people searching Dcta jobs look for? The top searched job categories for Dcta jobs are:
Dcta jobs near you
Infographic showing various Dcta job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution, with an average salary of $54,791 per year, or $26.3 per hour.

Network Security Administrator

Denton County Transportation Authority

Lewisville, TX

Other

Posted 2 days ago

New

Job description

The Network Security Engineer serves as an individual contributor within DCTA's Innovation & Information Technology department. This position is responsible for the administration, security, and operational integrity of DCTA's enterprise network infrastructure, cybersecurity systems, and business applications. The role works alongside the Systems Administrator as a technical peer, with a primary focus on network engineering, security operations, and application support. This position reports to the Director of Information Technology and Cybersecurity.

ESSENTIAL FUNCTIONS

The following duties are standard for this position. The omission of specific statements of duties does not exclude them from the classification if the work is similar, related, or a logical assignment for this classification.

Administers DCTA's layer 3 fiber optic networks, including the design, configuration, monitoring, and maintenance of switches, routers, firewalls, and related network hardware across all DCTA facilities and operational environments.

Manages VLAN segmentation, routing protocols, access control lists, and network policies to ensure performance, availability, and security across DCTA's wired and wireless environments.

Administers and maintains DCTA's wireless infrastructure across facilities and fleet vehicles, ensuring reliable connectivity for both IT and operational technology systems in coordination with operations and other IT staff.

Deploys, configures, and manages network monitoring tools to proactively identify performance degradation, outages, and security anomalies across DCTA's network environment.

Manages secured vendor access to internal and external network systems in alignment with DCTA's IT Cybersecurity Policy, including access provisioning, monitoring, and revocation.

Plans and executes network capacity assessments, infrastructure upgrades, and technology refresh cycles to ensure DCTA's network environment supports current and future operational requirements.

Administers and configures DCTA's cybersecurity toolset, including but not limited to identity security, identity and access management, application control, and endpoint protection platforms - serving as a subject matter expert in coordination with the Systems Administrator.

Manages firewall rule sets, intrusion detection/prevention policies, and network access controls to protect DCTA's internal and external-facing systems from unauthorized access and threats.

Implements, monitors, and enforces DCTA's IT security policies across network, application, and end-user environments, ensuring organizational compliance and end-user adherence. This includes monitoring, investigating, and responding to security events, alerts, and potential incidents across DCTA's network and application environments.

Supports DCTA's cybersecurity posture through vulnerability assessments, remediation tracking, and coordination with the Director of IT and Cybersecurity on risk management activities.

Works alongside the Systems Administrator as a senior technical peer, providing cross-functional coverage and shared expertise across infrastructure, network, and security domains to ensure operational continuity within a small, high-responsibility team.

Serves as an escalation point for helpdesk and OT helpdesk staff on network, security, and application-related issues.

SUPERVISORY RESPONSIBILITIES

None

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