Skip to main content

Enterprise Tier II Security Operations Engineer

Melbourne, Florida

Job ID AS20210403-57542
Apply Now


On the L3Harris team, your job is to secure the world. We don’t work here just for the advanced technology and equipment: We work here because we know what – and who – we’re protecting. From families to the intelligence community, and from our climate to our men and women in uniform – we’re making the world a safer place. Working in Software with L3Harris you'll join our team of qualified, diverse individuals and work in a fast-paced environment with high expectations, global scope, and a collaborative team setting.

  • Full Time
  • Level: Varies
  • Travel: None
  • Glassdoor Reviews and Company Rating

Success Profile

What makes a successful Engineer at L3Harris?
Check out the traits we’re looking for and see if you have the right mix.

  • Innovative
  • Technical
  • Influential
  • Critical Thinker
  • Analytical
  • Detail Oriented


I love my job because every day there’s a new problem to tackle, a new skill to learn and an awesome team that has my back.

Heather S., Engineer

L3Harris Work Perks

  • Career

  • Dress For
    Your Day

  • Tuition

  • Flexible

  • Parental

  • Adoption Cost

Job Description

L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across air, land, sea, space and cyber domains. L3Harris has approximately $18 billion in annual revenue and 48,000 employees, with customers in more than 100 countries.


JOB TITLE: Enterprise Tier II Security Operations Engineer

JOB ID: AS20210403-57542

LOCATION: Melbourne, Florida


L3Harris is searching for talented experienced Information Security Systems Engineering professionals to join the Managed Services Enterprise Security Engineering Team as a Level 2 Information Security Systems Engineer (ISSE).  This position requires assignment on a rotational basis to perform weekend, after hours or on-call duties to meet program operations requirements.  Specific duties and responsibilities include:

  • Act as primary engineering support to Security Operations for the testing and operational performance (Tier II) of new Security products and services.
  • Network Security engineering design, testing, implementation and lifecycle support.
  • Next Generation Firewall (NGFW) configuration and technical support.
  • Global and Local Load Balancer configuration and technical support.
  • Managing DDoS capabilities for both on-premise and cloud-based services.
  • Intrusion Detection/Prevention System configuration and technical support.
  • Enterprise Firewall configuration and technical support.
  • Configuring and maintaining the Enterprise Security Information and Event Management (SIEM) infrastructure capabilities evaluation, including test support.
  • Develop, maintain and publish security infrastructure technical documentation in accordance with L3Harris Systems Engineering processes.
  • Ability to obtain a security clearance


BS/BA (or equivalent) degree in Computer Science, IT Security or related field, and a minimum of 2 years related experience or 2 years post-Secondary/ Associates Degree and a minimum of 6 years related experience, and including:

  • Two or more years of experience in the Information Security field.
  • Two or more years of experience in the network engineering fields (Firewalls, Routers, Switches, VPN).


  • Experience serving Government customers in a security environment a plus.
  • Prior program experience working in a state or federal government WAN architecture is a plus.
  • Understanding of NIST SP800-53 and NIST SP800-171 control framework and FISMA policies.
  • Understanding and operational experience with network security event and intrusion detection architectures.
  • Experience with Cisco (OS), Windows Operating Systems and Linux.
  • Understanding of system logs and log analysis.
  • Ability to prioritize and document tasks.
  • Strong project engineering experience in security-related environments.
  • Strong listening, written and oral communication skills.
  • Ability to assist and lead other teammates and work well with multi-discipline teams.

Preferred Additional Certifications:

  • CompTIA Security+ or higher certification.
  • CCNA or higher certification.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Join Our Talent Community

Sign up for job alerts and be the first to know about our job openings.

Select a job category and/or location, then click "Add" for each saved search. Finally, click "Sign Up" to create your job alert.

Interested In

You have not saved any jobs.

View All Jobs

Awards and Recognition

Fortune 2021 - World's Most Admired Companies
Forbes 2020 Award - Worlds Best Employers
Great Place to Work
Forbes 2020 Award - World's Best Employers for Veterans
Bloomberg Gender Equality Index
Forbes 2020 Award
Top HBCU Supporters
CEO Action
Catalyst CEO
Fortune 100 Best Companies
Handshake Early Talent Award