Information Security Engineer

Mariner

. Engineer and operate modern security platforms.

Posted 4/22/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $95,000 - $140,000 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber SecurityPython

About the role

Key responsibilities & impact

Engineer and operate modern security platforms.
Implement, run, and optimize enterprise-level security tooling across detection, identity, cloud, endpoint, and governance technologies.
Conduct deep-dive security assessments.
Evaluate systems, configurations, and architecture through hands-on testing and analysis—delivering actionable insights that directly influence engineering and business decisions.
Strengthen core security operations.
Support and mature processes such as: - Malware response and remediation - Vulnerability management and patch governance - SIEM log analysis, correlation, and monitoring - Incident documentation, reporting, and lifecycle management
Improve systems by design—not by accident.
Embed security into applications, infrastructure, and business initiatives from the outset, partnering with IT and engineering teams to identify risks and drive effective mitigations.
Contribute through data, insights, and experimentation.
Analyze trends, surface patterns, and help refine the firm’s Information Security Program through continuous improvement and cross-functional engagement.

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or equivalent experience.
3–5 years of hands-on experience in information security, IT operations, or adjacent engineering roles; experience in financial services is a plus.
Familiarity with modern security tools, frameworks, and standards (SIEM, EDR, vulnerability scanners, CIS, NIST, ISO 27001).
Familiarity with identity and access management (IAM) solutions, such as Okta, including integration with applications and security systems.
Experience with automation, including scripting languages (e.g., Python, PowerShell, Bash) to streamline security processes, workflows, and response actions.
Ability to operate with autonomy, accountability, and comfort in fast-moving environments.
Exceptional communication and collaboration skills with the ability to influence across teams.
Analytical mindset with a high bar for detail, documentation, and operational excellence.
An active CISSP certification is highly preferred for this role

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible work hours
Paid time off
Opportunities for professional growth
Access to advanced detection systems

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

information securityIT operationssecurity assessmentsmalware responsevulnerability managementSIEM log analysisincident documentationscripting languagesautomationcloud security

Soft Skills

communicationcollaborationanalytical mindsetautonomyaccountabilityinfluencedetail-orientedoperational excellence

Certifications

CISSP