Senior Systems Engineer

Location: Santo Domingo, Distrito Nacional, Dominican Republic

Department: IT - Information Technology, IT Infrastructure

Workplace: hybrid

Employment Type: full

Description

Description:

Company Overview:

One Park Financial (OPF) is a leading Financial Technology company dedicated to empowering small businesses by connecting them with flexible financing and funding options. Our mission is to provide entrepreneurs with the working capital they need to elevate their businesses. At OPF, we believe in working with high-performing individuals who are ready to play an integral part in our company's expansion — because our success hinges on our people.

Why Join Us?

At OPF, we foster a dynamic and inclusive company culture that emphasizes collaboration, innovation, and personal growth. Our team is composed of passionate, driven individuals who are committed to making a difference. Here’s what you can expect when you join our team:

• Innovative Environment: Work with cutting-edge technology and be part of a team that is constantly pushing the boundaries of fintech.
• Professional Growth: We invest in our employees’ growth with continuous learning opportunities, training programs, and career advancement paths.
• Supportive Culture: Enjoy a supportive and inclusive work environment where your ideas are valued, and your contributions make a real impact.
• Community Focus: Be part of a company that understands the importance of small and mid-sized businesses to their communities and the nation’s financial health.
• High-Performing Team: Join a team of badasses who are committed to excellence and are integral to our company's expansion and success.

About the Role

One Park Financial is looking for a hands-on Senior Cybersecurity Engineer to help strengthen and operate security controls across identity, endpoints, Microsoft 365, AWS, and security monitoring platforms.

This role is ideal for someone with strong practical experience in Okta, Microsoft Entra ID, Microsoft 365 security, EDR, SIEM/log management, and AWS security monitoring. The successful candidate will investigate security alerts, review logs, perform recurring security audits, improve controls, and work closely with Infrastructure, Network, DevOps, and IT Support teams.

Key Responsibilities

• Administer and secure Okta, including SSO, MFA, security policies, application integrations, user lifecycle, and access reviews.
• Monitor and investigate security activity across Microsoft Entra ID, Microsoft 365, endpoints, AWS, and enterprise systems.
• Review alerts and logs using platforms such as Wazuh, Graylog, Sentinel, Splunk, or similar tools.
• Support EDR platforms such as SentinelOne, WithSecure, Microsoft Defender, CrowdStrike, or similar.
• Analyze AWS security events using CloudTrail, GuardDuty, Security Hub, IAM, and CloudWatch.
• Investigate phishing, suspicious logins, endpoint threats, privilege changes, and other security incidents.
• Perform recurring weekly, monthly, and quarterly security reviews and audits using established checklists.
• Track remediation items and maintain evidence for internal and external audits.
• Review vulnerabilities and coordinate remediation with technical teams.
• Improve security procedures, dashboards, alerting, and incident-response playbooks.
• Automate recurring security and reporting activities using PowerShell, Python, APIs, or workflow tools.

Requirements

• 5+ years of cybersecurity, security engineering, security operations, or related experience.
• Strong hands-on experience with Okta.
• Strong knowledge of Microsoft Entra ID and Microsoft 365 security.
• Experience with EDR and SIEM/log-management platforms.
• Experience with Email Security Gateways like Sophos Email, Mimecast, Barracuda EGD.
• Experience reviewing and investigating security logs and alerts.
• Working knowledge of AWS security and logging services.
• Understanding of SSO, MFA, SAML, OAuth/OIDC, SCIM, privileged access, and least privilege.
• Experience with vulnerability management, incident response, and security audits.
• PowerShell skills required; Python or API experience is a plus.
• Strong troubleshooting, documentation, and communication skills.
• Ability to work independently and consistently execute recurring security procedures.

Preferred Certifications

Okta Certified Professional, Microsoft Certified: Information Security Administrator Associate, AWS Certified Security, Security+, CySA+, CISSP, CISM, or similar certifications are preferred.

Benefits

• Competitive salary
• Health insurance
• Growth and development opportunities
• Dynamic and collaborative work environment
• Company events and team-building activities