Referso Jobs

Senior Linux Infrastructure Engineer

Northern Light · Posted Nov 9, 2026

Open

Somerville, Massachusetts, United States +1 more
Hybrid
Full-time · Senior
$150K–$160K per year
7+ years

Senior Linux Infrastructure Engineer

Northern Light · Posted Nov 9, 2026

Open

Somerville, Massachusetts, United States +1 more
Hybrid
Full-time · Senior
$150K–$160K per year
7+ years

Senior Middleware Engineer – Vulnerability Management

Unisys · Posted Nov 9, 2026

Open

Remote, United States
Remote
Full-time · Senior
6–8 years

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Provide day-to-day support for middleware platforms, lead vulnerability fixes, and maintain compliance with security policies and standards.

Responsibilities

Provide day-to-day support for middleware platforms [Oracle WebLogic, Apache Tomcat, JBoss/WildFly, IBM MQ, Apache/IIS], including installation, configuration, upgrades and troubleshooting.
Lead vulnerability fixes for middleware components: review scan findings, prioritize by risk, and apply patches, version upgrades, configuration changes and hardening.
Keep middleware compliant with security policies and hardening standards [CIS Benchmarks], and track each fix through to closure.
Work with Security teams to review new vulnerabilities and vendor advisories, determine which systems are exposed, and plan fixes within agreed timeframes.
Resolve complex incidents and problems, perform root-cause analysis and put permanent fixes in place to improve availability and reliability.

Requirements

BA/BS degree
Nice to have: Tenable/Nessus
Nice to have: Qualys
Nice to have: Rapid7
Nice to have: SSL/TLS certificate management

Skills

Middleware platforms administration Oracle WebLogic

Analyst, IT Security Engineering, IT

CLSA · Posted Jul 10, 2026

Open

Hong Kong
3–5 years

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IT Security Analyst responsible for managing security tools, conducting penetration testing, vulnerability scanning, and supporting security solutions within an international IT Security team.

Responsibilities

Conduct penetration testing, vulnerability scanning and code review on different IT systems and technologies
Perform architecture review and security assessments on IT systems’ design, configuration, source code review on both On-Perm and Cloud
Conduct Cyber-attack simulation using red team / blue team / purple team exercises
Prepare and review reports on identified security vulnerabilities and possible recommendations to remediate the vulnerabilities
Perform access review for vendor and guest access on IT systems and services

Requirements

Bachelor Degree of above in IT, Computer Science
Nice to have: CISSP
Nice to have: CISA
Nice to have: CISM
Nice to have: OSCP

Skills

penetration testing vulnerability scanning code review architecture review security assessments

Senior Linux Infrastructure Engineer

Senior Linux Infrastructure Engineer

Locations (2)

Compensation

Responsibilities

Requirements

Skills

Benefits

Senior Middleware Engineer – Vulnerability Management

Responsibilities

Requirements

Skills

Analyst, IT Security Engineering, IT

Responsibilities

Requirements

Skills

Benefits

Tenable/Nessus jobs

Locations (2)

Compensation

Responsibilities

Requirements

Skills

Benefits

Responsibilities

Requirements

Skills

Responsibilities

Requirements

Skills

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