ManTech
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Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Quantico, VA.
Coordinates the procurement, shipping, installation, configuration, and integration of multi-network systems for a global USMC program, driving a seamless "DISA-to-Desktop" architecture.
Plans and designs the connectivity of enterprise system and network assets, ensuring compliance and secure operations across classified networks and domains.
Ensures all systems, servers, network switches, and routers are installed, properly configured, and strictly compliant with DISA STIG requirements.
Supports the planning and implementation of enterprise service connections across domains, facilitating secure cloud computing architecture (SCCA), cross-domain solutions, and guards.
Collaborates with ISSOs and Cybersecurity Services Leads in the Risk Management Framework (RMF) process.
Creates diagrams and documentation to facilitate SCI and SAP accreditations.
BA/BS in a relevant technical field AND nine (9) or more years of experience in systems engineering, systems administration or network engineering.
OR high school diploma and thirteen (13) or more years of relevant experience.
Deep understanding of systems integration, networking protocols (TCP/IP, DNS, DHCP), routing, and comprehensive network security principles.
Expertise in configuring and managing enterprise devices (routers, switches, firewalls) with hands-on experience in Cisco technologies (e.g., IOS, NX-OS) and security appliances (e.g., ASA firewalls, ISE).
Proven experience securing classified networks (SIPR, NIPR, JWICS) and implementing DISA STIGs; strong familiarity with NIST frameworks and RMF.
Must hold an active DoD 8570.01-M IAT Level II certification at minimum.
Master’s degree in Computer Science, IT, Systems Engineering, or a relevant discipline.
Experience implementing multi-vendor VoIP and VTC products in RMF environments.
Experience with scripting/automation tools for system management; familiarity with the ITIL framework (ITIL Foundation certificate desired).
Relevant high-level networking or systems certifications (e.g., Cisco CCNP, CCIE, CompTIA Security+, Microsoft, or Red Hat).
Prior experience supporting a USMC enterprise program, or experience at a DoD Combatant Command (e.g., INDOPACOM, CENTCOM, CYBERCOM).
Must have a current/active TS/SCI clearance
Must be eligible to obtain Special Access Program (SAP)
The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
This position requires travel up to 10%
The projected compensation range for this position is $128,000.00-$214,400.00. 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 careers@mantech.com and provide your name and contact information.
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