Sr. Systems Administrator

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Sr. Systems Administrator (WebSphere MQ) to join our team in Annapolis Junction, MD.

Responsibilities include, but are not limited to:

• Candidate will be responsible for implementing, maintaining, and configuring multiple WebSphere MQ instances. 
• Excel in MQ technical knowledge, software support and technical guidance in support of business-critical systems. 
• Responsible for internal and external MQ connections supporting national security system.
• Maintain, monitor and report MQ health and recommend improvements.
• Support MQ queue managers and objects running client operating systems.
• Work with application Development Teams to determine messaging requirements. Utilize that information to establish and modify enterprise Messaging Software infrastructure requirements.
• Monitor execution and performance of messaging applications. Propose tuning adjustments (both application and environment) modifications as appropriate.
• Provide level 2 production, testing and development support (taking care of messaging problems to see through resolution).
• Perform queue manager backup and recovery.
• Participate as a subject matter and technical expert in technical reviews of MQ applications.
• Participate in capacity and disaster recovery planning and asset management.
• Define hardware configurations for new and existing MQ applications.

Basic Qualifications:

• A minimum of 7 years of experience in Administration, Maintenance, Deployment, and Integration including Installation and Configuration of WebSphere MQ version 8 and higher.
• Experience with installation, maintenance, and support of External Service Bus (ESB), Internal Service Bus (ISB) and MQ channel connections.
• Experience with security hardening of WebSphere MQ to include SSL encryption and Authority/Authentication Records
• Expert in defining and modifying MQ configurations such as data sources, listener ports, transports, channels, pub/sub, etc.
• Ability to configure application Messaging Software to stress test the software’s abilities in both a distributed queue manager and cluster configurations.
• Experience implementing or overseeing the implementation of all MQ objects.
• Tuning, issue research and resolution, end user support and application access
• Available for on-call work.
• Technical bachelor’s degree or 5+ years of proven related professional experience.
• Experience managing system change within a Change Management construct.
• Ability to conduct problem resolution with given management tools.
• Well versed in developing and maintaining current Standard Operating Procedures
• Experience with System Monitoring Tools
• General knowledge of scripting (Perl, Shell, etc)
• General knowledge of various UNIX, LlNUX and Windows Operating systems

Security Clearance Requirements:

• Active DOD Secret clearance and ability to obtain agency suitability clearance.

Physical Requirements:

• Must be able to remain stationary up to 75% of the time in an office environment.
• Must be able to traverse between one work location to another to accomplish work duties.
• Must be able to operate IT equipment such as a computer, copier, fax machine, etc.
• Must be able to communicate effectively with management and co-workers to exchange information accurately.
• Must be able to read, review and effectively respond to electronic as well as verbal communications.
• This position supports an IT operations environment.  Candidates may need to support work on nights and weekends and may be included in an on-call rotation for after-hours support.
• Currently, the contract work location requirement is to work in the office at the customer’s site once weekly at a minimum.  This is subject to change.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech’s Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech’s utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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