caferemote
Unisys

Senior Middleware Engineer – Vulnerability Management

Remote United States Full-time Senior Posted 4h ago
Apply now
Work from
United States
Contract
Full-time
Experience
Senior
Posted
10 November 2026
Apply by
9 January 2027

What success looks like in this role

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.
  • 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

Requirements

  • 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).

Nice to have

  • 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, transgender status, veteran status or any other category protected by law.

  • This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.
  • If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at or alternatively Toll Free: 888-560-1782 (Prompt 4).
  • US job seekers can find more information about Unisys’ EEO commitment here.

Discussion

No comments yet. Ask a question or share a tip about this role.

Apply now

More jobs from Unisys

View company →

Automation Engineer - Patching

Unisys
Remote United States Full-time

What success looks like in this role: U.S. Citizenship and Residency Required Job Summary: We are seeking a motivated Automation Engineer with 3-5 years of…

5h ago DevOps and Sysadmin

Service Delivery Manager - IT Infrastructure and Cloud Managed Services

Unisys
Remote United States Full-time

What success looks like in this role: Position Overview The Delivery Manager is responsible for leading managed Cloud & Infrastructure services across multiple…

yesterday DevOps and Sysadmin

Field Service Manager 2

Unisys
Remote United States Full-time

What success looks like in this role: •Provides clear and concise direction on a regular basis to Field Engineering supervisors and teams across multiple…

yesterday Software Development

Industry Marketing Sr. Analyst

Unisys
Remote United States Full-time

What success looks like in this role: Industry Marketing Sr. Analyst/P3 Location: Remote US Curiosity, creativity, and a spirited drive to grow awareness among…

yesterday Sales and Marketing

Similar remote jobs

Browse all →

OCI Network Specialist

Aqilea
Remote India Full-time

Role: OCI Network Specialist Job Ref Id: JD-1348 Competence level: 10 + Years Start date: 2026-11-15 End date: 2027-05-31 Extension option: Yes Scope: 100 % Location: India Remote work: Yes…

3h ago DevOps and Sysadmin

Systems Engineer - Monitoring & Operations

CACI International Inc
Remote United States Full-time $63K – $129K / year

Job Title: Systems Engineer - Monitoring & OperationsJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of…

4h ago DevOps and Sysadmin

Cloud Security Engineer

Saddleback Solutions
Remote Australia Full-time

About Us: Saddleback Solutions offer Consultancy and Professional Services to our Partners and Clients. We partner Palo Alto Networks, Juniper Networks and Arista worldwide, and we…

5h ago DevOps and Sysadmin

Senior ServiceNow Developer

Synergy ECP
Remote United States Full-time $100K – $200K / year

Founded in 2007 and headquartered in Columbia, Maryland, Synergy ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the U.S. intelligence and…

5h ago DevOps and Sysadmin

Cloud Operations Engineer

CyberSheath
Remote United States Full-time $110K – $127K / year

CyberSheath Services International LLC is a rapidly growing Managed Services Provider primarily focused on providing Cybersecurity services to the Defense Industrial Base (DIB). We are…

5h ago DevOps and Sysadmin

Senior Software Engineer - SRE

Mercury
Remote Canada, United States Full-time $200K – $250K / year

When the Tarr Steps, a footbridge assembled of heavy stones in Exmoor National Park in England, washed away in a flood in 1942, the Royal Engineers rebuilt it. Then it washed away again in…

5h ago DevOps and Sysadmin

Get remote jobs the moment they are posted

Choose your categories and skills. We push matching jobs to your device. No email, ever.