Senior Systems Engineer

MANTECH seeks a motivated, career, and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA . You will help troubleshoot and fix a cyber security testing environment while developing its replacement. By leveraging your strong technical background, you will support the improvement and sustainment of mission-driven IT solutions that enable secure enterprise operations. This role provides the opportunity to cross train in additional IT areas (e.g., networking, cyber security, etc.). Responsibilities Troubleshooting and fixing a 1.0 cyber security testing environment, while developing a 2.0 cyber security testing environment Improving performance and increasing security of 1.0 and 2.0 environments Working with other groups on the same program to troubleshoot issues, apply fixes, improve performance, and increase environment security Working with other system engineers, system administrators, and security engineers to develop and maintain robust diagrams for cyber defense capability test environments Evaluating and recommending technology upgrades to support performance improvements and alignment with industry best practices Monitoring and analyzing performance and faults while proposing solutions for system optimization and collaborating with stakeholders to coordinate technical information Helping security engineers resolve issues and document solutions in SNOW Minimum Qualifications Bachelor’s degree or 4+ years of additional work experience in lieu of a degree 3+ years of experience in IT, system engineering, and/or system administration IAT Level II certification or higher (Security+, etc.) or the ability to obtain certification within 6 months of hire Experience creating, maintaining, and communicating complex IT documentation Experience developing, administering, and troubleshooting systems that handle government data while ensuring they meet all cyber security requirements Experience with technologies supporting large-scale enterprise deployments or data centers and inventorying complex systems and networks Preferred Qualifications Experience implementing and supporting complex, multi-component software solutions across a large environment Experience deploying enterprise security software including firewalls, intrusion prevention systems (IPS), and virtualization platforms Knowledge of Windows and Linux systems, WSUS and PDQ, ServiceNow (SNOW), Tenable/Trellix, EXSI servers, TCP/IP networking, 802.1x, and core network security principles Clearance Requirements An active TS/SCI with polygraph is required for this position Physical Requirements Must be able to remain in a stationary position 50% of the time Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations Must be able to exchange accurate information in these situations MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. #J-18808-Ljbffr