ManTech Senior Systems Administrator in Columbia, Maryland
Become an integral part of a diverse team that leads the world in Mission, Cyber, and Intelligence Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.
Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. 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) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. 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.
Proficient in Linux sys admin functions (including OS loading, patching, LDAP, DNS, DHCP, Samba, SSH, VNC, user/group management, etc.)
a. this includes the ability set up Linux servers and be able to share date between them and other computers (oftentimes Windows-based)
b. experience testing and hardening systems (testing using tools like SecScan, Nessus, etc.) and then implementing hardening scripts (ensuring regressing testing is done with required applications to ensure nothing breaks by hardening)
c. would prefer someone with virus scanning experience on the Linux side as well
d. would prefer someone with some shell scripting experience (like Bash) to help automate tasks
e. would prefer someone with some software integration experience (e.g., ability to take provided applications, install, and troubleshoot installation/running on the server)
Proficient in Windows sys admin functions (including OS loading, patching, Active Directory, Remote Desktop, virus scanning applications, Policy changes/implementation, etc.)
f. this includes the ability to set up Windows servers (Server 2008, Server 2012, etc.) and clients (e.g., Win7, Win8, Win10) and ensure data can be shared between them and Linux servers
g. would prefer someone who has experience testing and hardening systems (testing using tools like DirtScan, dirty word searches, Nessus, etc.) and then implementing hardening scripts (ensuring regressing testing is done with required applications to ensure nothing breaks by hardening)
h. would prefer someone with some shell power shell scripting experience to help automate tasks
i. would prefer someone with some software integration experience (e.g., ability to take provided applications, install, and troubleshoot installation/running on the server)
Oftentimes one person won't be a rock-star in both domains, I would be great with an expert in each domain but with experience in the other domain as well so 2 or more could learn from each other and provide us a well-rounded staff.
Labor Category Requirements:
Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of configuration and operation of IT systems
Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems Provide assistance to users in accessing and using IT systems
Provide 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.
Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems
Provide support for the escalation and communication of status to agency management and internal customers
Optimize system operations and resource utilization, and perform system capacity analysis and planning
Provide support for the dispatch system and hardware problems and remains involved in the resolution process
Provide in-depth experience in trouble-shooting IT systems
Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required
Bachelor s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor s degree.
U.S. Citizenship and an active DoD TS/SCI w/ poly clearance based upon a SSBI completed within the last 5 years. Must be willing to submit to an initial and random polygraph.
Requires Bachelor s degree (in Computer Science or related field) or equivalent, and ten to twelve years of related experience.
Equivalent Experience/Education, Bachelor's Degree
Years of Experience
10-12 years w/Bachelors Degree, 07-09 years w/Masters Degree
For more than 40 years, ManTech employees have been solving complex problems for the national security community. We are comprised of approximately 10,000 talented employees 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. Half our employees have a military background, and more than 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, space, and intelligence communities; we hold nearly 1,000 active contracts with more than 40 different government agencies.
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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