Sr. Network Engineer

General information

Requisition #

R70067

Locations

USA-MD-Laurel

Posting Date

08/14/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

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-driven, and customer-focused Senior Network Engineer to join our team in Laurel, MD.

You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO's Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior Network Engineer/Architect, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services.

Responsibilities include, but are not limited to:

• Lead Engineer maintaining datacenters containing multi-domain, cross-platform networks.
• Responsible for evaluating and designing an updated Hosted Desktop Infrastructure (HDI) solution for developer environments to meet new security restrictions.
• Install, Configure and support VMWare vCloud environment
• Design and implement storage solutions utilizing multiple NetApp clusters to replace current end of life storage systems
• Set up and maintain Cisco UCS hardware for virtual environment
• Install, configure and support mobile cellular and wireless networks to include switches, routers, gateway or functional servers, to support requirements of the scope and scale consistent with campus or system wide networks
• Implement a Mac OSX virtual environment for development testing
• Setting up GUI based deployment server that provides administrators with the ability to select between Windows and Linux desktop installations from the same application

Minimum Qualifications:

• Bachelor's degree with 12 years OR associate's degree with 15 years OR 20 years of relevant Network experience
• IAM II certification (DoD 8140 required upon start of employment. Acceptable certifications include: CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)
• Working knowledge of VMWare, NetApp, and Firewalls/Switches
• Working knowledge of Linux, Windows and Mac OSX
• Experience with Bash, PowerShell, PowerCLI or API scripting language
• Familiar with STE/STN requirements to meet STIG/Security mandates and the utilization of Nessus Security Center.

Preferred Qualifications:

• Provides advice & guidance to IT peers & subordinates regarding complex network design, monitoring, maintenance and implementation
• Ability to coordinate and integrate the efforts of other IT professional staff
• Based on program and technical requirements, can evaluate and recommend appropriate hardware, software and services solutions.
• Ability to investigate techniques and strategies utilized by other installations, especially higher education institutions, by participating in various professional organizations.

Clearance Requirements:

• Must possess and maintain a current/active TS/SCI clearance with Polygraph

Physical Requirements:

*

• Must be able to remain in a stationary position 50% of the time
• Occasionally moves about inside the office to access file cabinets, office machinery, etc.
• Frequently communicate with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

The projected compensation range for this position is $141,500.00-$236,000.00. 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.