Systems Administrator 2

Mantech International Corporation Laurel, MD
Description & Responsibilities:

Candidate will be capable of working with multiple teams of engineer and software development personnel to assemble, reassemble, integrate and install operant systems and application software to build mission systems. They will enable and support the integration, testing, and production of new mission systems. They will generate robust system baselines that are suitable for easy deployment to lab and filed suit installations, and produce installation and configuration manuals to support deployments. They will exercise development software on newly deployed systems for formal software testing. The candidate will:

* Support the implementations, troubleshooting and maintenance of Information Technology systems.

* Provide system administration services for Linux / UNIX infrastructure and development systems (scripting and loading machines using KickStart system configuration)

* Support the build and software integration of new mission systems and supporting architecture under development (client/server/storage/network devices, etc.)

* Ensure systems are kept in required configuration profile, including: patch maintenance, changes are required by evolvement of production environments, updating software and software configurations. Configure and manage UNIX and Windows Operating systems and install/loads operating system software, troubleshoot, maintains integrity and configures network components along with the implementation operating systems enhancements to improve reliability and performance.

Required Skills & Experience:

* Minimum 10 years' experience as a Linux System Administrator working with RH Enterprise Linux, CENTOS and with DNS and SSH configurations. Demonstrated experience performing applications testing involving/requiring: RedHat Linux or advanced general Linux knowledge; trouble shooting of standard daemons and tools (NFS, NTP, BIND, APACHE, SYSLOG, logrotate, chkconfig, init scripts, curl general networking, etc.)

* Proficient and able to apply knowledge/experience in the following areas:

o Provide system administration service for Linux infrastructure and development systems (practical experience with RedHat Yellow Dog Updater (U+YUM) and RHCTA or higher) certification is highly desired.

o Familiarization with shell scripting languages such as Rubym KSH, BASH execution and analysis

o Maintain scripts for loading machines using KickStart and Puppet manifests and perform/verify system configurations

o Apply experience to automate system installations using tools such as KickStart

o Assemble, reassemble and provision operation systems for development, testing and production environments. L

o Apply hands-on experience configuring and troubleshooting Blade Centers and Dell servers

o Knowledge of virtualization software to include ESXi (VMWARE) and KVM (CENTOS), and High Availability Configuration

o Apply Networking Skills and knowledge of TCP/IP networking

o Knowledge of Cisco or other vendor switch configuration

o Working knowledge of Windows server and domain administration

o Proacively contribute to the team and recommend technical and procedural enhancements

o Work closely with other team members and be able to demonstrate independent skill set when working on the team

Top Secret /SCI with Poly

Qualifications Requires Bachelor's degree (in Computer Science or related field) or equivalent, and ten to twelve years of related experience. Additional Qualifications Required Labor Category Skills:

Ten (10) years experience in programs and contracts of similar scope, type, and complexity is required (experience in programs and contracts of similar scope, type, and complexity within the Federal Government is preferred).

Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional system administration experience may be substituted for a bachelor's degree.

Provides detailed analysis and feedback to agency management and internal customers for escalated tickets

Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance

Provides in-depth experience in trouble-shooting IT systems

Provides support for the dispatch system and hardware problems and remains involved in the resolution process

Optimizes system operations and resource utilization, and performs system capacity analysis and planning

Provides support for the escalation and communication of status to agency management and internal customers

Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems

Provides support to IT systems including day to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.

Provides Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems

Manages the daily activities of configuration and operation of IT systems

Provides support for implementation, troubleshooting and maintenance of IT systems

Provide assistance to users in accessing and using IT systems Degrees Equivalent Experience/Education

Bachelor's Degree

Years of Experience 10-12 years w/Bachelors Degree

07-09 years w/Masters Degree

Position Type Full-Time Shift Day Overview ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 different government agencies.

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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 Waretime 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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