Senior Infrastructure Security Engineer

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity. Our people tackle the toughest technical challenges, supported by competitive benefits, meaningful career development, and a culture of innovation, collaboration, and technical excellence. Choose MITRE for a career with purpose - and help shape the future.

MITRE's Enterprise Network Services department is seeking an Intermediate Applied Cybersecurity Engineer to help manage, maintain, and grow our corporate security infrastructure.

Roles & Responsibilities:

• Manage sustainment & operations ticket queue including triage and resolution of security issues
• Coordinate with corporate information security regarding operational changes to security policy
• Assist senior engineers with developing methods to increase operational efficiency
• Collaborate with team and department technical staff regarding operational changes
• Participate in 24x7 on call rotation to assist in resolving issues outside normal business hours
• Participate in assisting triage efforts for operational events
• Manage individual projects and identify areas of improvement

Basic Qualifications:

• Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.
• 3+ years of general IT, network, or security experience
• Exposure to basic programming, such as Python or Rust
• Have familiarity with core internet technologies
• Previous exposure to at least one industry vendor such as Palo Alto Networks or Juniper Networks
• Introduction to working with cloud security solutions (Primarily Azure and AWS)
• Must be eligible to obtain and maintain a Secret U.S Government issued Security Clearance. Per the U.S. Government's eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.

Preferred Qualifications:

• Bachelor's Degree
• Knowledge of network topologies including switching, routing, and associated protocols
• Experience with Python, Ansible, or other automation technologies/products
• Previous experience with industry vendors such as Palo Alto Networks, Juniper, Azure and Splunk
• Possess industry security certifications such as Security+, PCNSA, CCNA, Azure Security Engineer Associate, etc.
• Active Secret Clearance

This requisition requires the candidate to have a minimum of the following clearance(s):

None

This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s):

Secret

Salary compensation range and midpoint:

$129,200 - $161,500 - $193,800 Annual

Work Location Type:

Onsite

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.

MITRE intends to maintain a website that is fully accessible to all individuals. If you are unable to search or apply for jobs and would like to request a reasonable accommodation for any part of MITRE's employment process, please email recruitinghelp@mitre.org for general support and collegerecruiting@mitre.org for intern positions. This service is for individuals requiring reasonable accommodation requests. Please note that vendor solicitations will not receive a reply.

Benefits information may be found here.

Copyright 1997-2026, The MITRE Corporation. All rights reserved. MITRE is a registered trademark of The MITRE Corporation. Material on this site may be copied and distributed with permission only.