Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

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 Senior Systems Administrator to join our team in the San Antonio, TX area.

Responsibilities include, but are not limited to:

• Manage the functionality and efficiency of a network operations center supporting IT infrastructure at multiple locations.
• Develop, track, revise and monitor policies and standards for allocation related to the use of information technology and computing resources, and assure and sustain the integrity and security of network infrastructure.
• Diagnose and solve customer issues, manage customer accounts, perform account establishment and repair, and find ways to improve support procedures.
• Assist end-users through Email, Phone and Remote assistance
• Respond to requests and conduct, track and report network systems and hardware accountability and materiel destruction.
• Utilize tools/utilities to provide remote technical support services on desk-side equipment employees and contractors as able.
• Maintains written documentation of incidents and escalate issues to the appropriate level of support as required by documented policy and procedures.
• Patch and maintain servers, workstations, SANs, etc.
• Deploy software through use of technologies such as SCCM. Conduct remote imaging and configurations of geographically separated systems.
• Provide advice and training to end-users, and guide and inform senior leadership.
• Maintain current knowledge of relevant technologies as assigned.
• Participate in special projects as required.

Basic Qualifications:

• BS or BA degree in a Computer Science or a related scientific discipline or five (5) or more years of relative experience may be substituted for a BS or BA degree.
• Must possess 5-7 years of experience in an administrator position.
• Must be a self-starter who can take senior-leader guidance and intent, and oversee the operations of independent and collaborative, assigned projects.
• Must be DoD 8570.01-M compliant, IAT II. (CCNA Security, CySA+, GICSP, GSEC, Security+, or SSCP)
• Current MCSA certification
• Able to perform shift work to include nights and weekends

Preferred Qualifications:

• Demonstrated experience in analysis simulation environment, configuring/troubleshooting software/hardware enhancements, application deployments, and infrastructure upgrades in a dynamic information system hosting environment.

Security Clearance Requirements:

• An active and current TS/SCI clearance is required.

Physical Requirements:

• Must be able to remain in a stationary position 50%
• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

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.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click [email protected] and provide your name and contact information.