Cyber Security/Network Engineer - Military veterans preferred

ManTech (


  full-time   employee   contract

United States

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 Senior 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 NIS 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.

The successful candidate will support overall network defense activities, provide in-depth analysis of suspected malicious code and/or infected systems and network devices, perform necessary inspection and reverse-engineering activities to understand the behavior of software, determine the root cause for the presence of threats, and develop recommendations to counter threats.
Responsibilities will include:
• Conducting proof of concept testing
• Designing, testing, and integrating new security products as directed
• Beta testing new capabilities when directed, and conducting software testing as required (patches and other updates)
• Maintaining a robust library of documentation, to include network diagrams for cyber defense capabilities and sensors, and making documentation available to all personnel with appropriate need-to-know
• Providing engineering support for all primary systems, such as network-based intrusion detection and prevention systems
• Maintaining, updating, and conducting routine vulnerability scanning across all Sponsor networks
• Overseeing patching, hardening, and base-lining activities across all Sponsor networks, and ensuring all stakeholders are in compliance with patching/hardening requirements
• Maintaining, updating, configuring, and ensuring the successful deployment of logging/auditing tools across Sponsor networks
• Maintaining system baselines and configuration management items, including security event monitoring policies
• Working with all stakeholders to ensure complete and functioning systems that meet all requirements
• Ensuring all network defense capabilities are kept current, patched, and securely configured, and the management is informed of status
• Analyzing data flows into, out of, and across Sponsor networks to identify and rectify any security gaps
• Performing limited penetration testing into targeted networks as directed

Required Skills:
• Experience working across a large team to drive a security agenda
• Experience working with complex, intertwined systems and data flows
• Significant, demonstrated experience meeting security requirements in the Sponsor's environment or similar environments (experience as ISSO/ISSE, etc.)
• Experience inventorying complex networks, and with all facets of network documentation (security compliance, configuration management, patching, centralized authentication, removable media, etc.)
• Hands-on experience with a wide range of diverse technologies/disciplines, especially with a security focus (networking, UNIX/Linux, Windows, Storage, Virtualization, etc.)
• Significant, demonstrated experience navigating the Sponsor's accreditation process and ICD 503 requirements
• Expert-level abilities in the following areas:
o Maintaining, configuring, and monitoring network security applications, network devices, encryption technologies, operating systems, and storage appliances
o Securing information technology infrastructures
o Monitoring network defense technologies and analyzing the outputs
o Identifying and/or innovating solutions or measures to protect networks within budgetary and/or infrastructure constraints
o Creating, maintaining, and communicating complex information technology documentation, particular network and security documentation
o Executing penetration tests, formal assessments, and other formal information security and compliance inspections
• Self-starter with excellent people skills - able to work across teams, organize meetings/boards, and drive change throughout an organization

Desired Skills:
• CISSP strongly desired
• CCNA strongly desired
• Experience with the Xacta cyber risk and compliance automation tool Advertisement