Senior Middleware Engineer – Vulnerability Management

# Senior Middleware Engineer – Vulnerability Management Unisys United  States Full time

Remote

Apply by Jan 9, 2027## About the role

What success looks like in this role:### Responsibilities Provide day-to-day support for middleware platforms [Oracle Web Logic, Apache Tomcat, JBoss/Wild Fly, 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 time frames. Resolve complex incidents and problems, perform root-cause analysis and put permanent fixes in place to improve availability and reliability. Handle incidents, problems and changes through ITSM processes and meet service level agreements.

Mentor and coach team members, sharing knowledge and documented procedures so the team relies less on escalations. Plan and implement new releases, updates and corrections to middleware and related applications. Develop and maintain scripts and automation [Bash, Python, WLST, Ansible] to streamline patching, vulnerability fixes, deployments and routine operational tasks.

Evaluate, recommend and maintain monitoring and management tools. Contribute to middleware projects, capacity planning and service improvements as capacity permits. Explain technical issues and risks clearly to non-technical stakeholders.

Maintain documentation, runbooks and knowledge articles. You will be successful in this role if you have:

Required Qualifications BA/BS degree and 6–8 years’ relevant experience, or an equivalent combination of education and experience. Strong hands-on experience running middleware or application server platforms in enterprise production environments.

Proven experience fixing vulnerabilities through patching, upgrades and hardening, working from scan reports. Solid Linux/Unix administration skills, with scripting and automation experience [Bash, Python, WLST].

Experience with incident, problem and change management (ITIL or similar).

Preferred Qualifications

Experience with vulnerability scanning tools [Tenable/Nessus, Qualys, Rapid7]. Knowledge of SSL/TLS certificate management, Java runtime patching and secure configuration.

Experience with automation tools [Ansible].Experience mentoring or leading technical staff. Unisys offers an outstanding### benefits package, featuring unlimited paid time off, a 401(k) plan, comprehensive healthcare, HSA matching, ongoing learning opportunities, and more! We’re committed to supporting work-life balance and investing in your future success. At Unisys , we incorporate video interviews as a key part of our hiring process.

This allows us to get to know you better and provide a more engaging and convenient interview experience. We appreciate your understanding and look forward to connecting with you virtually! This role may require access to export-controlled commodities and technology.

Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government. Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation,…