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ManTech International

*Network/Systems Administrator III* with Security Clearance

Arlington, VA

2 months ago

3 people have applied

Job Description

All ManTech employees will need to meet the requirements set forth in Executive Order 14042 and the Safer Federal Workforce Task Force Guidance requiring all covered contractor personnel to be fully vaccinated against COVID-19.

Secure our Nation, Ignite your Future

The primary function will be to organize, install, and support government organization's computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.

This will also include helping architect, design and analyze network models.

It will require participation in decisions about buying future hardware or software to upgrade organization's infrastructure.

This position might be called upon to provide technical support to computer users to help solve users' problems.

This position will support activities within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts.

The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Responsibilities include, but are not limited to: * Able to perform self-sustaining and work with little to no oversight

* Lead IT ops team on day to day management and operations of Networks and implement capabilities vetted through Cybersecurity, ISSE and higher headquarters to maintain JSIG/RMF Authority to Operate and maintain Continuous Monitoring tools and processes

* Manage COTS & GOTS products to collect, display and remediate a variety of automated system security and system operations/performance functions and metrics.

* Assist during security assessments of servers/network devices/security appliances

* Assist during security assessments with regard to accuracy and efficiency

* Assist with Creation of operational Operations and Maintenance (O&M) checklists to maintain the service (daily, weekly, monthly, yearly O&M checklists); build Tactics, Techniques and Processes (TTPs) and Standard Operating Processes (SOPs)associated with service checklists

* Manage and operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports

* Execute cybersecurity operations procedures for day to day network management, operations and maintenance

* Monitor/analyze output of cybersecurity related tools for reportable security incidents and residual risk

* Assist in analyzing technical risk, upon request, of emerging cybersecurity tools and processes

* Work as part of a security incident response team as needed

* Assist ISSM

ISSO/ISSE with the Integration/Development new techniques to improve Confidentiality, Integrity, and Availability for networks/systems operating at various classification levels

* Advanced technical competency in one or more of the following supported platforms:

Microsoft Windows Server, Active Directory Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/vulnerability assessment, Group Policy management and configuration, Scripting, BMC Footprints, WSUS, , Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office

* Toolkits, SEIMs, Logrhythm, ACAS/Nessus/SCAP,mandatory/role-based access control concepts (e. g. SE Linux extensions to RHEL, PitBull, AppArmor, and Sentris) , video teleconferencing/VOIP, Oracle/MS SQL database security, and Apache/IIS Web server security

Basic Qualifications *5 - 7 years related experience

* Bachelor's degree in a related area or equivalent experience(4 years)


Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level III within 6 months of the date of hire

Preferred Qualifications:* Thorough knowledge of Microsoft Windows desktop and server operating systems, Microsoft Exchange Server, and as needed RHEL operating systems administration and associated hardware

* Experience in effective communication and collaborating in a high performance teamenvironment.

* Group Policy design and configuration

* Working knowledge of CISCO network and switching and virtualization technologies


Working knowledge of virtualization as it applies to users environments, operating systems, and network appliances

* Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies

* Working knowledge communication security (COMSEC) policies and integration


Working knowledge of Risk Management Framework, Common Criteria, and System Security Policy as they relate to assessments and authorization

* Working knowledge and current relevant experience with PL2, PL3, and PL4 network environments/systems

* Working knowledge of WSUS and/or YUM patch deployment methodologies


Must be familiar with DoD policy as it applies to implementing and executing system and network administration

* Working knowledge of Risk Management Framework and how to apply it to network/information system environments

Security Clearance:* Current Top Secret Clearance with SCI Eligibility

* Eligibility for access to Special Access Program Information

* Willingness to submit to a Counterintelligence polygraph Physical Requirements:* Must be able to regularly lift up to 50 lbs 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 .

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 as a result of your disability.

To request an accommodation please click and provide your name and contact information.

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