Why ManTech? This is why! When you apply for a job at ManTech, you are taking the first step toward a new adventure. Trailblazing technology, incredible professional development and the opportunity to serve our nation. All while Securing the Future®. ManTech provides mission-focused technology solutions and services for U.S. defense, intelligence and federal civilian agencies. In business for more than 52 years, we excel in full-spectrum cyber, data collection & analytics, enterprise IT, and systems and software engineering solutions that support national and homeland security. More than 9,300 talented professionals around the globe make up the ManTech family and nearly half are veterans. As a ManTech employee, you will work for a winning team alongside colleagues that support and inspire you. You will also have access to tuition assistance, partnerships with universities and institutions, professional groups that comprise our Communities of Practice, community service opportunities, Technical Recognition Awards, Career Enablement/Mobility programs and so much more. What are you waiting for? Click “Apply” and start your adventure today. Secure our Nation, Ignite your Future Secure our Nation, Ignite your Future 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 Network Engineer to join our team at Quantico, VA. General Responsibilities: Operations, maintenance, sustainment, and troubleshooting at the highest tier support for IT infrastructure across multiple networks and security domains Keep networking devices in compliance with latest patches, IAVAs, and OPDIRs Brief leadership on the health of systems locally and throughout the enterprise Provide customers recommendations to increase performance and redundancy of current network configurations and recommendations for future upgrades Update/Create documentation as needed (user guides, admin guides, knowledge base articles, FAQs, quick reference guides) Provide training to peer engineers as needed Setting up IP schemas for multi-tenant environments Configuring physical and virtual switching, routing, and firewall protocols, ports, and services Interface with vendors to address problem escalation during outages or periods of degraded system performance Researches, evaluates, recommends, and provides quality assurance review and evaluation of new and existing networking products, technologies, and enhancements Plans and coordinates major computer network initiatives Utilizes monitoring, performance analysis, network management, software, and hardware equipment to troubleshoot and isolate problems, gauge network performance, and trace data and protocol activity Develops and executes disaster recovery and contingency plans for network software and hardware failures including isolated and major outages Other duties as required Mandatory Skills Requirements: Meet DoD 8570 requirements for IAT II - for instance, must have and maintain, at a minimum, active Security CE and associate level or higher Network certification Must patch and implement security controls in response to IAVAs and OPDIRs on respective network equipment (physical and virtual) Familiar with network monitoring software Working knowledge of network standards/protocols/security, hardware, and application virtualization Working knowledge of local area and wide area networking principles and concepts including bandwidth management Working knowledge of the Windows and/or Linux Operating systems to include Server and Workstation environments Excellent communication, interpersonal skills, and ability to work independently and in a collaborative team environment Hands-on experience with network equipment including hubs, routers, switches, bridges, firewalls, servers, transmission media, and related hardware Hands-on experience with network systems design, development, testing, installation, operations, management, and maintenance concepts and methods Other Skills Preferred: Knowledge of standard DoD and Marine Corps concepts, practices, and procedures. Familiarity with Navy/Marine Corps interoperability requirements is preferred Support to tactical SATCOM programs Familiarity with Load Balancers (hardware and software) Cloud experience – AWS Preferred Juniper Operating System (JUNOS) and/or CISCO IOS Strong TCP/IP foundation, BGP, QoS, and Multicast Network Security Appliances to include Type1 encryption devices Video Teleconference (VTC), Desktop VTC, and Voice Over Internet Protocol (VOIP) integration and management WAN technologies, protocols, and optimizers Active Directory, Group Policy, Windows Server, Linux OS, Networks, MS Exchange, MS Lync, MS SQL Server, SCCM, SCOM, Service Manager, Networked Printers/Services, Distributed File Services, Data Protection Manager, MS SharePoint, PowerShell, JavaScript Working knowledge of DoD STIGs related to the applicable technologies and how to implement, mitigate, and write POAM statements 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.