Senior Systems Engineer

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

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 include but are not limited to:

• 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

The projected compensation range for this position is $107,900.00-$179,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH 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.


If you need a reasonable accommodation to apply for a position with MANTECH, please email us at View email address on click.appcast.io and provide your name and contact information.