Post Job Free
Sign in

IT Systems Administrator III - Security

Company:
Northbridge University
Location:
Hato Rey Central, Puerto Rico, 00917
Posted:
February 14, 2026
Apply

Description:

Job Description

The IT Systems Administrator III - Security is responsible for implementing, maintaining, and troubleshooting all securityrelated systems and policies across the IT infrastructure. This role works collaboratively with IT teams to ensure that security best practices, as determined by the vCISO, CIO, and MSSP, are embedded into all enterprise systems. The position will actively coordinate with the other Systems Administrators (Networking and Communication, Applications, Servers and Cloud) to enforce security standards and mitigate risks effectively

Qualifications:

• Fully bilingual (English and Spanish), oral and written.

• Bachelor’s degree in Information Technology, Cybersecurity, or a related field.

• 7+ years of experience in IT security administration, systems security, or related fields.

• Strong understanding of security frameworks, including NIST, CIS, and ISO 27001.

• Experience with SIEM platforms, IDS/IPS, firewalls, endpoint protection, and vulnerability management tools.

• Knowledge of cloud security best practices (Azure Security Center, AWS Security Hub, M365 Defender).

• Proficiency in IAM, MFA, encryption, and access control policies.

• Ability to assess and mitigate cyber threats, malware, and phishing attacks.

• Experience in incident response, digital forensics, and threat intelligence.

• Familiarity with IT networking, system administration, and application security.

Education:

• Bachelor’s degree in computer science, Information Technology, or a related field with at least two (7) years of

experience or more in a similar position.

• Relevant certifications (e.g., CCNP, CCIE, CompTIA Network+, CompTIA Security+) are preferred.

Experience:

• Minimum of 7 years of experience in network and communication administration.

• Proficient in network monitoring and performance tools.

• Strong experience with security protocols and practices.

• Experience with cloud networking solutions (e.g., Azure) is a plus.

• Proven experience in managing large-scale network projects.

Certifications (Preferred but not Required):

• Fully bilingual (English and Spanish), oral and written.

• Bachelor’s degree in Information Technology, Cybersecurity, or a related field.

• 7+ years of experience in IT security administration, systems security, or related fields.

• Strong understanding of security frameworks, including NIST, CIS, and ISO 27001.

• Experience with SIEM platforms, IDS/IPS, firewalls, endpoint protection, and vulnerability management tools.

• Knowledge of cloud security best practices (Azure Security Center, AWS Security Hub, M365 Defender).

• Proficiency in IAM, MFA, encryption, and access control policies.

• Ability to assess and mitigate cyber threats, malware, and phishing attacks.

• Experience in incident response, digital forensics, and threat intelligence.

• Familiarity with IT networking, system administration, and application security.

Essential Duties and Responsibilities:

Security Implementation & Maintenance:

• Deploy, configure, and maintain enterprise security tools, including endpoint protection, firewalls, intrusion

detection/prevention systems (IDS/IPS), and SIEM solutions.

• Implement security policies and procedures across IT systems, ensuring compliance with industry’s best practices

and regulatory requirements.

• Work with IT teams to integrate security controls within networking, applications, cloud, and server environments.

• Support vulnerability management processes, including scanning, analysis, and remediation planning.

• Assist in the deployment of security patches and updates across systems to mitigate vulnerabilities.

Monitoring, Detection & Incident Response:

• Continuously monitor security alerts and respond to security incidents in collaboration with the MSSP and IT teams.

• Investigate and remediate security breaches, unauthorized access attempts, or other security-related events.

• Utilize SIEM and other security tools to analyze logs and detect suspicious activity.

• Assist in forensic analysis and post-incident reviews to prevent future occurrences.

Collaboration & Security Best Practices:

• Work closely with vCISO, CIO, and MSSP to implement and refine security strategies.

• Collaborate with Networking, Applications, and Server/Cloud teams to ensure security is integrated into system

design and operations.

• Ensure IAM (Identity and Access Management) policies align with the least privilege principles and enforce MultiFactor Authentication (MFA).

• Support IT teams in implementing Zero Trust security models and segmentation policies.

• Provide security configuration management for cloud environments, including Azure, WPEngine, Sucuri, and Microsoft 365 security settings.

Compliance & Risk Management:

• Maintain compliance with regulatory frameworks such as NIST, GDPR, HIPAA, and PCI-DSS.

• Work with IT Security Team to assist in periodic security audits, access reviews, and risk assessments.

• Document and update security policies, standards, and guidelines.

• Assist in IT security training and awareness programs for staff and end-users.

Troubleshooting & Support:

• Serve as an escalation point for security-related incidents and technical issues.

• Provide security expertise and recommendations for resolving IT system vulnerabilities.

• Assist with security aspects of IT change management and system updates.

Benefits:

Medical Coverage -Including additional options HSA, and FSAs - Dependent, and Health Care

Dental/Vision Insurance Coverage

12 Paid Holidays / Paid Time Off / Paid Volunteer Day

401[k] with 50% Employer Matching

Short-Term Disability Life Insurance

Supplemental Life Insurance Options

Growth Opportunities / Education Assistance and Professional Development Benefits

No Cost Benefits:

Group Life Insurance

Long Term Disability

Talent Referral Program

TicketsatWork - Discount Entertainment Program

Enjoy a paid day off on your birthday (available to full-time employees after two years)

Why Join Northbridge University?

At Northbridge University, you become part of a community devoted to academic excellence, innovation, and human development. Every employee, from faculty to administrative staff, plays a key role in advancing the growth of our students while enhancing their own professional journey. We foster a culture of teamwork, respect, and ongoing learning, where innovative ideas are welcomed and talent is supported. Our employees enjoy professional growth opportunities, career stability, and the satisfaction of contributing to an organization that changes lives through education.

At Northbridge University, you’re not just building a career—you’re creating a meaningful purpose.

For additional information on who we are –

Northbridge University is an Equal Opportunity/Affirmative Action Employer and does not discriminate based on race, color, religion, gender, age, national origin, disability, Protected Veteran status, sexual orientation, or any other characteristic protected by federal, state, or local law.

The selected applicant will undergo a background check, educational verification, and drug testing.

Full-time

Apply