IT SECURITY NETWORK ADMINISTRATOR

Santa Clara Development Corporation is hiring an IT Security Network Administrator to administer, secure, monitor, maintain, and optimize its network and network-security infrastructure. The role focuses on network operations, cybersecurity controls, incident response, infrastructure support, documentation, and coordination with IT staff, vendors, and business stakeholders.

Responsibilities

• Administer and maintain LAN, WAN, wireless, VPN, Internet, and related network infrastructure
• Configure and maintain switches, routers, firewalls, wireless infrastructure, VPN systems, and network-management platforms
• Administer VLANs, routing, switching, DNS, DHCP, IP addressing, and related network services
• Monitor network performance, availability, capacity, and utilization
• Troubleshoot network connectivity, performance, routing, switching, wireless, and VPN issues
• Maintain network configurations in accordance with organizational standards
• Perform network upgrades, configuration changes, and infrastructure maintenance
• Participate in scheduled and emergency maintenance activities
• Administer and maintain firewalls, network security appliances, VPN infrastructure, and related security technologies
• Implement network segmentation and access-control policies
• Manage secure remote-access technologies and associated authentication requirements
• Review firewall rules and network-access permissions for appropriateness and continued business need
• Monitor network traffic and security events for suspicious or anomalous activity
• Identify and address network-security weaknesses and misconfigurations
• Implement security hardening standards for network infrastructure
• Support the organization's vulnerability-management and remediation programs
• Assist with security assessments, audits, and compliance activities involving network infrastructure
• Maintain current documentation of security controls and network-security architecture
• Monitor network and security-management systems for indicators of compromise, unauthorized access, abnormal activity, and policy violations
• Investigate network-security alerts and incidents. Including completion of IT Security Incident report with supporting documentation to provide over to IT Management
• Assist with containment, remediation, and recovery of network-related security incidents
• Coordinate with IT staff and appropriate organizational personnel during cybersecurity incidents
• Preserve appropriate technical information and documentation associated with security investigations
• Participate in post-incident reviews and recommend improvements to prevent recurrence
• Escalate significant security events in accordance with organizational procedures
• Support network access-control technologies and associated authentication systems
• Administer network-related users, device, and administrative access
• Apply least privilege principles to network and security infrastructure
• Review privileged access to network devices and security systems
• Support implementation and maintenance of multi-factor authentication for network-access services where applicable
• Assist with access reviews and removal of unnecessary or obsolete access
• Evaluate network infrastructure for security vulnerabilities and configuration weaknesses
• Maintain secure configurations for routers, switches, firewalls, wireless controllers’/access points, and other network devices
• Coordinate operating-system and firmware updates for network infrastructure
• Track network-device lifecycle and identify equipment that presents operational or security risks
• Assist with development and maintenance of network-security standards
• Identify single points of failure and security weaknesses within the network architecture
• Support business continuity and disaster-recovery planning for network infrastructure
• Maintain accurate network diagrams, device inventories, IP addressing documentation, firewall documentation, and configuration records
• Document network-security policies, procedures, and standards
• Maintain records of network and firewall changes
• Follow established change-management processes
• Develop and maintain technical procedures for network administration and security operations
• Ensure critical network knowledge is documented and accessible to the appropriate IT personnel
• Work with Internet, telecommunications, managed-security, hardware, software, and other technology vendors
• Coordinate vendor troubleshooting and technical support
• Assist in evaluating network-security products and services
• Review vendor recommendations and determine applicability to organizational requirements
• Participate in implementation and acceptance of network-security technologies and services
• Provide advanced technical support for network and security-related issues
• Work with systems administrators and application teams to resolve connectivity and security issues
• Assist departments with secure connectivity requirements
• Communicate technical and security issues to nontechnical stakeholders in understandable terms
• Provide recommendations to IT leadership concerning network security, infrastructure risks, and technology improvements
• Diagnoses, resolves, and documents, hardware and software network problems in a timely and accurate manner and provides end user training and support where required in accordance with the SCDC mission, vision, and core values
• Manage assigned projects and program components to deliver services in accordance with established objectives using project management standards such as Agil, PMP, etc
• Provide reports and updates on network performance, system outages, and maintenance activities to management
• Maintain detailed documentation of network configurations, issues, and resolutions
• Ensure all network equipment and communication software is properly licensed
• Proactively monitors and maintains intrusion detection systems to identify and neutralize network security threats
• Ensures compliance of all assigned systems with applicable regulatory frameworks
• Aids the IT Systems Administrator in administration and maintenance of applications and storage infrastructure including, but not limited to DNS, DHCP, AD, VMware, SANs
• Provides second-level technical support to users concerning network system operations escalated by other IT department staff
• Supports the IT Team in the installation, maintenance, and troubleshooting of Enterprise and Desktop hardware and software
• Provides backup support for IT team members, including the handling of all incoming support calls, emails and walk-ins as required to maintain department SLAs
• Performs other duties as assigned
• Participate in the regular on call after hours IT support schedule

Preferred

• Bachelor's degree in information technology, Cybersecurity, Computer Science, Network Engineering, Information Systems, or a related technical discipline
• Unix/Linux administration
• Server virtualization, VMware vSphere 7.0 to current support version
• Microsoft Communication and Collaboration products; Office 365 Exchange and SharePoint configuration & administration
• Cisco networking experiences
• Bachelor's Degree
• Computer Science
• Information Systems
• Unix Administration
• Linux Administration
• Server Virtualization
• VMware vSphere
• Microsoft Communication Products
• Microsoft Collaboration Products
• Office 365 Exchange
• Exchange Configuration
• Exchange Administration
• SharePoint Configuration
• SharePoint Administration
• Cisco Networking

Company

• Casino resort, dining, retail, and gas station operations
• Espanola, New Mexico, USA
• https://www.santaclaran.com/
• Founded in 2001
• 201-500 employees

Qualifications

• Strong organizational skills
• Knowledgeable of networking concepts such as TCP/IP, DNS, DHCP, and VPNs
• Knowledgeable of telephony systems (VoIP, PBX, etc.)
• Knowledgeable of server operating systems (Windows, Linux) and virtualization
• Familiarity with working with regulatory compliance governance
• Ability to analyze network performance and implement improvements
• Ability to communicate technical information clearly to non-technical staff
• Demonstrated ability to learn new systems, software, and communication platforms through a combination of self-study, on-the-job training, and vendor-led coursework
• Demonstrated understanding of Information Security topics related to providing secure, robust communication systems
• Strong analytical and organizational skills
• Ability to work and collaborate effectively in a small-team setting
• Proven ability to provide outstanding customer service
• Must have excellent problem-solving abilities
• Must be a detail oriented, organized individual with the ability to multi-task
• Must be able to work in a fast-paced environment
• Must be able to deal with stressful situations in a professional manner
• Display strong verbal and written communication skills
• Proven ability to handle conflict situations
• Associate degree in Computer Science or related field, and two years' hands on network engineering experience in an enterprise environment required; or equivalent combination of education, training, and experience
• 3–5+ years of progressively responsible experience in network administration, network security, cybersecurity, infrastructure administration, or a related field
• Demonstrated experience administering enterprise network infrastructure
• Strong knowledge of TCP/IP, routing, switching, VLANs, DNS, DHCP, VPN, and wireless networking
• Experience administering or supporting enterprise firewalls and network-security technologies
• Experience with network monitoring and troubleshooting
• Understanding of common network-security principles, vulnerabilities, and attack methods
• Ability to troubleshoot complex network and security issues independently
• Strong written and verbal communication skills
• Ability to manage multiple priorities and work effectively in a business environment
• CCNA or equivalent mix of education, training, and experienced required
• Knowledge of network security administration includes the effective use of firewalls, intrusion detection tools, and network monitoring suites
• Knowledge of Microsoft Operating systems; Windows 11 to present version
• Knowledge on Microsoft Windows Server 2012 to present version
• Knowledge on network design principles and practices including administration of VLANs and routers in complex and security conscious network
• Excellent communication skills and experience effectively communicating with technical and non-technical audiences
• Demonstrated efficient and effective use of research, analytical, problem-solving and task prioritization skills to solve complex computing service incidents, problems & requests as required
• Knowledge of applicable Santa Clara Pueblo Gaming and Regulatory Commission
• Excellent written, oral, interpersonal communication & MS Office skills
• Highly self-motivated and directed, with keen attention to detail and sense of initiative
• Able to prioritize and execute tasks in a high-pressure environment
• Strong customer service orientation
• Ability to work in a team-oriented, collaborative environment
• Three to five (3-5) years' hands-on administration experience with Windows Server 2012 to current year required
• Microsoft Desktop support
• Windows Server Components; Active Directory, DHCP, DNS, Group Policies controls
• Database administration; SQL Server of current supported version
• Fiber Channel or iSCSI SAN solutions and Blade Systems infrastructure
• Experience with data center infrastructure including UPS management
• Ability to read, analyze, and interpret simple documents such as safety rules and regulations, technical procedure manuals, instructions, basic correspondence, email, reports, and memos
• Ability to apply commonsense understanding to carry out instructions furnished in written, oral, or diagram form and to deal with problems involving several concrete variables in standardized situations
• Bachelor's degree in information technology, Cybersecurity, Computer Science, Network Engineering, Information Systems, or a related technical discipline
• Unix/Linux administration
• Server virtualization, VMware vSphere 7.0 to current support version
• Microsoft Communication and Collaboration products; Office 365 Exchange and SharePoint configuration & administration
• Cisco networking experiences
• Associate degree in Computer Science or related field, and two years’ hands on network engineering experience in an enterprise environment required; or equivalent combination of education, training, and experience.
• 3–5+ years of progressively responsible experience in network administration, network security, cybersecurity, infrastructure administration, or a related field.
• Three to five (3-5) years’ hands-on administration experience with Windows Server 2012 to current year required

Required skills

• Enterprise Network Administration, Network Security Administration, TCP/IP, Routing, Switching, and VLANs, DNS, DHCP, and VPNs, Firewall Administration, Intrusion Detection Systems, Network Monitoring and Troubleshooting, Windows Server and Active Directory, Linux/Unix Administration, CCNA, VMware vSphere, SQL Server

Preferred skills

• Unix/Linux administration, Cisco networking experiences, Espanola, New Mexico, USA, https://www.santaclaran.com, H1B Sponsorship, Data Powered by, Distribution of Different Job Fields Receiving Sponsorship, Represents job field similar to this job, Marketing, Trends of Total Sponsorships, *2026, (1), Growth Stage, Leadership Team, Kelly Nichols, MBA, Chief Financial Officer, Brian Zanazanian, Chief Operating Officer, Company data provided by, AI Tools, Customize Your Resume, Maximize your interview chances, Build Cover Letter, Make your application stand out, Analyze How Well You Fit, Understand your strength & weakness

Experience

• 3-5 years