Demo

Server Administrator

Crescens Inc.
Trenton, NJ Contractor
POSTED ON 6/28/2026 CLOSED ON 7/28/2026

What are the responsibilities and job description for the Server Administrator position at Crescens Inc.?

Job title: WebSphere Application Server Admin

Location: Trenton, NJ

Duration: 6 months


Note:

Hybrid role (1 day/week onsite).


Job description:

Summary

Seeking a local candidate with a 4-year degree or equivalent technical experience to provide middleware technical expertise within the ITO. The ideal candidate has hands-on experience migrating/upgrading WebSphere environments and designing, assessing, and optimizing middleware infrastructures while collaborating with internal teams and vendors.

Core Qualifications & Skills

Required Technical Expertise

  • WebSphere Application Server (WAS) 8.5
  • IBM HTTP Server and/or Apache Web Server
  • UNIX/Linux: AIX or RHEL (preferred)
  • Pega BPM 7.x
  • Automation Scripting:
  • Ansible
  • WAS scripting (Jython/JACL, wsadmin)
  • Unix/Linux shell scripting
  • AWS CloudFormation
  • WebSphere MQSeries 8.0
  • IBM DataPower Gateway Administration (preferred)
  • IBM MDM / IBM Information Server (IIS) (preferred)
  • WebFocus Reporting Server (preferred)
  • Broadcom/CA APM (Wily/Introscope)
  • Amazon Web Services (AWS)
  • Network Security: SSL/TLS, certificates, firewalls, ADCs, VIPs, Microsoft AD/ADLDS, IBM ISAM/WebSeal

Required Competencies

  • Strong communication skills; able to collaborate with internal teams and external vendors.
  • Ability to teach, mentor, and convey technical/functional concepts clearly.
  • Ability to assess infrastructure and recommend improvements to drive performance, stability, and security.
  • Ability to estimate and plan work, develop budgets, and schedule tasks effectively.
  • Ability to identify, enhance, and enforce project standards for high-quality deliverables.


Core Responsibilities

Middleware Administration

  • Install, configure, and administer WebSphere Application Server (8.5 ) and IBM HTTP Server .
  • Configure and administer Pega BPM (7.x ) .
  • Install, configure, and administer IBM DataPower Gateway , IBM MDM , and IIS (if applicable).
  • Support installation and administration of WebFocus Reporting Server (preferred).

System & Server Administration

  • Administer AIX and RHEL servers.
  • Develop and maintain automation scripts (Jython/JACL, wsadmin, shell, Ansible).
  • Create, execute, and analyze AWS CloudFormation scripts.

Migration & Upgrades

  • Lead migrations of WebSphere environments from one major version to another , ensuring minimal downtime.
  • Plan and execute middleware modernization and upgrade strategies.

Messaging & Integration

  • Configure and administer WebSphere MQSeries (8.0 ) .
  • Implement SSL/TLS , including certificate management and secure communication between systems.
  • Integrate systems with Microsoft Active Directory / ADLDS and IBM ISAM/WebSeal .

Performance, Monitoring & Troubleshooting

  • Configure and utilize Broadcom/CA APM (Wily/Introscope) for performance monitoring and root-cause analysis.
  • Troubleshoot performance, stability, and connectivity issues across middleware, servers, and applications.

DevOps & Cloud (Preferred)

  • Experience working in DevOps environments.
  • Experience with cloud-based infrastructure (AWS preferred).

Required Skills:

  • WebSphere Application Server Administration (8.5 )
  • IBM HTTP Server Administration
  • UNIX/Linux Administration (AIX/RHEL)
  • PEGA BPM Administration
  • Automation Scripting (Ansible, CloudFormation, Jython/JACL, Shell) years
  • WebSphere MQSeries
  • AWS Cloud Administration
  • DataPower Administration
  • CA APM (Wily/Introscope)
  • IBM MDM / IBM Information Server
  • Collaboration with internal and external teams
  • Bachelor's degree or equivalent technical experience

Hourly Wage Estimation for Server Administrator in Trenton, NJ
$55.00 to $66.00
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