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Senior Infrastructure Security Engineer

Job in McLean, Fairfax County, Virginia, USA
Listing for: Clearance Jobs
Full Time position
Listed on 2026-09-03
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 129200 - 161500 USD Yearly USD 129200.00 161500.00 YEAR
Job Description & How to Apply Below
Position: Senior Infrastructure Security Engineer Jobs

Intermediate Applied Cybersecurity 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

Salary compensation range and midpoint: $129,200 - $161,500 - $193,800 Annual Work Location Type:
Onsite

Position Requirements
10+ Years work experience
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