ManTech Sr. Network Engineer in Chantilly, Virginia

Entering ManTech s 50th year, we hold the distinct honor of being named a “Top 100 Global Technology Company by Thomson Reuters. We have earned this and many other accolades over the years for our dedication to serving the missions of our nation s most important customers: U.S. Intelligence, Defense and Federal Civilian agencies. All know us as a trusted partner offering best-in-class solutions in cyber, data collection & analytics, enterprise IT, and systems and software engineering tailored to meet their specific requirements.

Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group. Currently, ManTech is seeking a motivated, mission oriented Sr. Network Engineer, in the Chantilly, VA area, with strong Customer relationships. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

The IOS Division provides mission solutions to a wide range of Defense and Intelligence Community customers. This division consists of a team of technical leaders that deliver advanced technical solutions to government organizations. Our customers have high standards, are technically adept, and use our products daily to support their mission of protecting national security. Our contributions to our customer s success is driving our growth.

As Sr. Network Engineer you will be responsible for providing network engineering support for a large distributed IT infrastructure. Evaluate, design documents, install equipment, implement, test, perform problem isolation and resolution, monitor, tune, and set standards. Maintains a complex range of computer network components and systems. Performs these functions across a wide range of network facilities to include: physical media, protocol stacks, hubs, routers, bridges, gateways, digital servers, line drivers, telecommunications transport facilities, and network management components. Provides client consulting and training on the interfacing and use of the network facilities. Plans and coordinates major computer network initiatives. Researches, evaluates, and recommends new computer network equipment and technologies. Utilizes monitoring, performance analysis, network management, software and hardware equipment to troubleshoot and isolate problems, gauge network performance, and trace data and protocol activity. Devises solutions to complex operational problems within the capacity and operational limitations of installed equipment. Develops and executes contingency plans for network software and hardware failures including isolated and major outages. Provides internal consulting technical guidance, information and support to application developers, computer operations, workstation support, company management and departmental clients.

Responsibilities include but are not limited to:

•Interface daily with top customer stakeholders.

•Design, development, implementation, and/or integration of customer IA architecture, system, and components.

•Ensure the architecture and design of the customer s information systems are functional and secure.

•Provide system or network designs that encompass multiple computers and networks to include those with differing data protections/classification requirements.

•Provide security engineering, integration services, technical assessments, and solutions, related to Assessment and Authorization (A&A) support activities.

•Firewall, router and Virtual Private Network (VPN) engineering and integration support into customer baseline architecture.

•Foster cooperative relationships with mission partners and interconnected systems.

•Assist customers in understanding information security needs, defining and designing system security requirements, developing and implementing detailed security designs and measures to safeguard information, and assessing information protection effectiveness.

•Maintain awareness of security directives, orders, standards, plans and procedures.

•Manage, maintain system configuration to include documentation, installation, planning, configuration and evaluation of existing and new hardware.

•Providing enterprise level disaster recover solutions.

•Analyze system faults, troubleshoot, and run diagnostic test on applications to detect problems.

•Develop the procedures and be capable of executing existing and developed procedures in order to maintain compliance with ICD 503 mandates and/or vendor released patches and upgrades.

•Participate in and document Change Management (CM) processes.

Security Clearance Requirement:

Active/current TS/SCI with CI Polygraph is required.


Position Requirements:

•BA/BS in Computer Science, Information Security, or related field.

•7+ years of experience as Network Engineer

•Experience in network engineering and administration, data protocol analysis, network security, network configuration, and provisioning clients.

•Knowledge and experience providing network infrastructure procurement, installation, configuration, and testing.

•Experience in the following areas: hardware/software security, communications protocols, encryption techniques and protocols, firewall rule definition and management, intrusion detection and authentication technologies.

•Working knowledge of IC and DoD network security policies.

•Experience working with vulnerability scans and intrusion detection on systems of varying complexity.

•Certified Information Systems Security (CISSP), Cisco Certified Network Associate-Security (CCNA-Security), ComTIA Advanced Security Professional (CASP), CompTIA Security+, or equivalent DoD 8570 IAT-II level certification required.

•Demonstrated ability to foster communications across multiple projects and government stakeholders.

•Requires strong written and verbal skills including formal and informal presentations.

•Outstanding customer relationship management skills.

•Demonstrated ability to focus through difficult problems to provide successful solutions.

•Demonstrated experience working with senior government managers on IA and network issues.


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ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges 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. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 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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