System/Network Administrator - Grimlock - Military veterans preferred

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

System/Network Administrator

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 CNO System/Network Administrator (Infrastructure O&M Administrator), to join our team in the Chantilly, VA, area. 

Responsibilities include, but are not limited to:

• Perform engineering support and system administration of specialized cyber security applications, systems, and networks in a Cyber Security Operations Center (CSOC) environment to include installation, configuration, maintenance, patching, and back-up/restore
• Provide subject matter expertise in creating, editing, and management of signatures, rules, filters, and custom content for specialized cyber security systems including, but not limited to, network and host-based IDS, IPS, and SIEM systems
• Administer cyber security test beds, test and evaluate new cybersecurity applications or tools, rules/signatures, access controls, and configurations of cybersecurity platforms
• Provide Tier 2 maintenance support for deployed cyber security technologies within the CSOC or within the cyber environment
• Support A&A activities through all steps of the Risk Management Framework (RMF)
• Identify potential conflicts with implementation of any cyber security tools within the enterprise and develop recommendations to remediate the conflicts
• Contribute to the completion of milestones associated with specific projects
• Provide solutions to a variety of complex technical problems

Basic Qualifications:

• Minimum Education: B.S. or relevant experience in related field
• Minimum/General Experience: 2-4 years of related experience
• Minimum of 1 year experience in technology/tools specific to the target platforms
• Experience shall be in a related security technology or discipline such as Identity and Access Management, Cyber Security Operations, Cyber Security Engineering, IT Security Audit, and Information Assurance
• Must possess the required DoD Directive 8570.1 IAT Level II or higher certification or ability to obtain within 6 months

Demonstrated Technical Experience:

• Experience with COTS technologies used in a Cyber Security Operations Center environment, including network/host IDS and IPS, and SIEM technologies
• Expertise in cyber security enterprise scanning and continuous monitoring, enterprise host/network security and intrusion detection
• Expertise with cyber security architectural principles such as defense in depth, resilience, and integrated security operations
• Ability to convert functional cyber security requirements into system requirements
• Ability to function in a fast-paced environment and effectively manage multiple tasks simultaneously; coordinating resources and ensuring scheduled goals are met
• Ability to effectively interact with various levels of senior management is necessary
• Ability to make decisions and resolve problems effectively – seek out information and data to evaluate, prioritize and formulate best solution or practice
• Must be able to multi-task, work independently and as part of a team, share workloads, and deal with sudden shifts in project priorities

Preferred Qualifications:

• Experience in a Cybersecurity Operations Center environment
• Experience with network engineering and administration tasks
• Experience with RedSeal or ITPIE

Security Clearance Requirements:

• TS/SCI w/Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50%
• 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 careers@mantech.com and provide your name and contact information.