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We are seeking a talented Systems Administrator to join our team at Climate Control Systems of Greenwood INC. As a Systems Administrator, you will be responsible for maintaining, upgrading, and securing our company's IT infrastructure to ensure smooth operations. If you have a passion for technology and a strong background in system administration, we want to hear from you!

• Install, configure, and maintain servers, software, and hardware
• Monitor system performance and troubleshoot issues
• Manage user accounts and permissions
• Implement security measures to protect company data
• Collaborate with IT team to design and implement new systems
• Provide technical support to end-users

• Bachelor's degree in Computer Science or related field
• Proven experience as a Systems Administrator or similar role
• Strong knowledge of operating systems, networking, and virtualization technologies
• Experience with cloud services such as AWS or Azure
• Excellent problem-solving skills
• Ability to work well in a team environment

If you are looking for a challenging and rewarding opportunity in the field of system administration, apply now to join our dynamic team at Climate Control Systems of Greenwood INC!

ManTech is seeking a motivated, career and customer-oriented System Administrator , to join our team in Hanover, MD .  The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities Included but are not limited to:

• Responsible for configuring and managing Linux and Solaris operating systems and installing/loading operating systems software, troubleshooting, maintaining integrity of and configuring network components, along with implementing operating systems enhancements to improve reliability and performance.

• Responsible for several hundred servers in a test environment running a wide variety of Operating Systems to include Windows, Red Hat Linux, CentOS, Fedora Core, BSD, Solaris and Debian.

• Will manage a wide range of Linux services to include Apache, Radius, TACACS, NIS, DNS, Syslog, NetBackup, LDAP, iptables (firewall) and NTP. 

• Will manage VMWARE ESXi cluster using VCenter running on Cisco UCS blade servers. Will manage NetApp storage system running clustered data on tap with several hundred terabytes of space.

• Responsible for keeping all devices patched in accordance with SSP security standards.

• Responsible for modifying the configuration of Cisco networking devices.

 Minimum Qualifications:

• High school diploma with twenty (20) years of relevant experience OR Associates degree with fifteen (15) years of relevant experience OR bachelor’s degree with twelve (12) years of relevant experience.

• Experience managing the project work as defined by the government.

• Experience leading medium to large complex projects and major phases of very large projects while providing highly technical and specialized guidance and solutions to complex IT problems.

Preferred Qualifications:

• Experience in implementing solutions with PKI-controlled access is desired.

• Experience analyzing and resolving complex problems associated with server hardware, applications, and software integration.

• Security + CE certification

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph.    

Physical Requirements:  

• Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.

ManTech seeks a motivated, career and customer-oriented System Administrator , to join our team in Columbia, MD .  The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities Included but are not limited to:

• Responsible for providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. 

• Responsible for managing IT system infrastructure and any processes related to these systems, providing Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. 

• Responsible for providing support to IT systems including day-to-day operations, monitoring and problem resolution.  Will also provide support for the escalation and communication of status to agency management and internal customers. Will provide support for the dispatch system and hardware problems and remains involved in the resolution process.

• Responsible for configuring  and managing Windows (or other applicable) operating systems and system software, troubleshooting, maintaining integrity of and configuring network components, along with implementing operating systems enhancements to improve reliability and performance.  Will have a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA) 

 Minimum Qualifications:

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

• Fifteen (15) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required. 

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph.    

Physical Requirements:  

• Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.

ManTech seeks a System Administrator to join our team in Ft. Meade, MD . In this role, you will provide support for implementation, troubleshooting, and maintenance of IT systems, as well as manage IT system infrastructure and any processes related to these systems.

Responsibilities include, but are not limited to:

• Provide support for implementation, troubleshooting, and maintenance of IT systems.
• Manage IT system infrastructure and processes related to client/server/storage/network devices and mobile devices.
• Perform Tier 1 (Help Desk) and Tier 2 (Escalation) support: problem identification, diagnosis, and resolution.
• Optimize system operations and resource utilization; perform capacity analysis and system planning.
• Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability and performance.
• Troubleshoot and maintain system integrity and network components.
• Provide detailed analysis and feedback to management and internal customers on escalated issues.
• Support the design of system architectures and associated hardware.
• Analyze and resolve complex hardware and software integration issues.
• Maintain a strong understanding of system administration interdependencies in a Service Oriented Architecture (SOA) environment.
   

Minimum Qualifications:

• Bachelor’s degree in a technical discipline. In lieu of a Bachelor’s degree, four (4) additional years of related experience may be substituted.
• A minimum of twenty (20) years of related experience in systems administration or IT operations.
• Experience with Linux, including installation, configuration, troubleshooting, and maintenance.
   

Security Clearance Requirements:

• Active TS/SCI with Polygraph is required to be considered for this position.
   

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Constantly operates a computer and other office productivity machinery (e.g., calculator, copy machine, printer).
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech is seeking a motivated, career and customer-oriented System Administrator , to join our team in Hanover, MD .  The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities Included but are not limited to:

• Responsible for configuring and managing Linux and Solaris operating systems and installing/loading operating systems software, troubleshooting, maintaining integrity of and configuring network components, along with implementing operating systems enhancements to improve reliability and performance.

• Responsible for several hundred servers in a test environment running a wide variety of Operating Systems to include Windows, Red Hat Linux, CentOS, Fedora Core, BSD, Solaris and Debian.

• Will manage a wide range of Linux services to include Apache, Radius, TACACS, NIS, DNS, Syslog, NetBackup, LDAP, iptables (firewall) and NTP. 

• Will manage VMWARE ESXi cluster using VCenter running on Cisco UCS blade servers. Will manage NetApp storage system running clustered data on tap with several hundred terabytes of space.

• Responsible for keeping all devices patched in accordance with SSP security standards.

• Responsible for modifying the configuration of Cisco networking devices.

 Minimum Qualifications:

• High school diploma with twenty (20) years of relevant experience OR Associates degree with fifteen (15) years of relevant experience OR bachelor’s degree with twelve (12) years of relevant experience.

• Experience managing the project work as defined by the government.

• Experience leading medium to large complex projects and major phases of very large projects while providing highly technical and specialized guidance and solutions to complex IT problems.

Preferred Qualifications:

• Experience in implementing solutions with PKI-controlled access is desired.

• Experience analyzing and resolving complex problems associated with server hardware, applications, and software integration.

• Security + CE certification

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph.    

Physical Requirements:  

• Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.

ManTech seeks a motivated, career and customer-oriented System Administrator , to join our team in Columbia, MD .  The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities Included but are not limited to:

• Responsible for providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. 

• Responsible for managing IT system infrastructure and any processes related to these systems, providing Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. 

• Responsible for providing support to IT systems including day-to-day operations, monitoring and problem resolution.  Will also provide support for the escalation and communication of status to agency management and internal customers. Will provide support for the dispatch system and hardware problems and remains involved in the resolution process.

• Responsible for configuring  and managing Windows (or other applicable) operating systems and system software, troubleshooting, maintaining integrity of and configuring network components, along with implementing operating systems enhancements to improve reliability and performance.  Will have a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA) 

 Minimum Qualifications:

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

• Fifteen (15) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required. 

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph.    

Physical Requirements:  

• Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.

ManTech seeks a System Administrator to join our team in Ft. Meade, MD . In this role, you will provide support for implementation, troubleshooting, and maintenance of IT systems, as well as manage IT system infrastructure and any processes related to these systems.

Responsibilities include, but are not limited to:

• Provide support for implementation, troubleshooting, and maintenance of IT systems.
• Manage IT system infrastructure and processes related to client/server/storage/network devices and mobile devices.
• Perform Tier 1 (Help Desk) and Tier 2 (Escalation) support: problem identification, diagnosis, and resolution.
• Optimize system operations and resource utilization; perform capacity analysis and system planning.
• Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability and performance.
• Troubleshoot and maintain system integrity and network components.
• Provide detailed analysis and feedback to management and internal customers on escalated issues.
• Support the design of system architectures and associated hardware.
• Analyze and resolve complex hardware and software integration issues.
• Maintain a strong understanding of system administration interdependencies in a Service Oriented Architecture (SOA) environment.
   

Minimum Qualifications:

• Bachelor’s degree in a technical discipline. In lieu of a Bachelor’s degree, four (4) additional years of related experience may be substituted.
• A minimum of twenty (20) years of related experience in systems administration or IT operations.
• Experience with Linux, including installation, configuration, troubleshooting, and maintenance.
   

Security Clearance Requirements:

• Active TS/SCI with Polygraph is required to be considered for this position.
   

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time.
• Constantly operates a computer and other office productivity machinery (e.g., calculator, copy machine, printer).
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

ManTech seeks an experienced and passionate, career and customer-oriented System Administrator to join our team located in the Ft. Meade, MD area.

Responsibilities include, but are not limited to:

• Demonstrate experience creating and managing virtual environments (VMWare ESX, VCenter Administration) 
• Experience in administration of Linux/Windows 
• Experience configuring and maintaining storage and file systems (NFS, EXT3/4, XFS) 
• Experience in developing and delivering briefings, technical presentations, and program documentation to senior program management 

Minimum Qualifications:

• 3+ years technical work experience
• Experience using Ansible
• Experience writing scripting languages (Bash, Shell, Python, Perl) 
• Proficiency in working with applicable network devices to include routers and switches, gateways and hubs 
• Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS   
• Experience working with a team to introduce and integrate new technologies into existing production environments 
• Experience with integrated processing environments such as a Storage Area Network  

Preferred Qualifications:

• Bachelors Degree
• Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable 
• Experience with cross-domain solutions or NiFi desirable for some positions 
• Experience with computer operating systems

Clearance Requirement:

• Must have the ability to obtain and maintain a TS/SCI with Poly

Physical Requirements:

• Must be able to remain in a stationary position at least 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

ManTech seeks an experienced and passionate, career and customer-oriented System Administrator to join our team located in the Ft. Meade, MD area.

Responsibilities include, but are not limited to:

• Demonstrate experience creating and managing virtual environments (VMWare ESX, VCenter Administration) 
• Experience in administration of Linux/Windows 
• Experience configuring and maintaining storage and file systems (NFS, EXT3/4, XFS) 
• Experience in developing and delivering briefings, technical presentations, and program documentation to senior program management 

Minimum Qualifications:

• 3+ years technical work experience
• Experience using Ansible
• Experience writing scripting languages (Bash, Shell, Python, Perl) 
• Proficiency in working with applicable network devices to include routers and switches, gateways and hubs 
• Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS   
• Experience working with a team to introduce and integrate new technologies into existing production environments 
• Experience with integrated processing environments such as a Storage Area Network  

Preferred Qualifications:

• Bachelors Degree
• Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable 
• Experience with cross-domain solutions or NiFi desirable for some positions 
• Experience with computer operating systems

Clearance Requirement:

• Must have the ability to obtain and maintain a TS/SCI with Poly

Physical Requirements:

• Must be able to remain in a stationary position at least 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.