Cyber Systems Security Engineering Sr

Lockheed Martin; Orlando (FL); On-site; USD 98,000 - 182,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Flexible work arrangements

401(k) match

Paid time off

Holidays

Parental Leave

Employee Assistance Program

Education assistance

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin is seeking a Cyber Systems Security Engineer in Orlando to secure mission-critical systems across their lifecycle. You will design and test cybersecurity solutions, perform risk assessments, and collaborate with engineers to meet security requirements for DoD programs.

The role requires a DoD Secret clearance (U.S. citizen), proficiency in scripting and Linux/Windows, and familiarity with NIST 800-53, Nessus/ACAS, and DoD STIGs. Competitive salary and strong benefits are offered.

Qualifications

• Bachelor’s degree in a related field and 5+ years of experience (or Master’s with no required experience).
• Proficiency in at least one scripting language and administering Linux/Windows environments.
• Ability to obtain and maintain a DoD Secret clearance (US citizen).
• Strong documentation and communication skills; familiar with DoD security standards.

Responsibilities

• Design cybersecurity solutions spanning the system lifecycle.
• Perform risk assessments, threat modeling, and vulnerability analysis.
• Collaborate with engineers/arch professionals to address security trade-offs.
• Conduct cybersecurity testing to verify hardware/software security requirements.
• Apply established cybersecurity methodologies across projects.
• Support assessment and authorization activities per standards.

Skills

PowerShell

Python

Bash

Linux

Windows

Documentation

Written communication

DoD Secret clearance

Security+

NIST SP 800-53

Vulnerability scanning

Nessus

ACAS

Docker

Kubernetes

DevSecOps

IBM DOORS Next Generation

SysML / MBSE

Education

Bachelor’s degree in Cyber Security / Systems Engineering / Information Technology / Computer Science

Master’s degree in related discipline (optional experience not required)

Tools

Docker

Kubernetes

Nessus

ACAS

IBM DOORS Next Generation (DOORSNG)

SysML / Cameo Systems Modeler

Job description

What We're Doing

At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world’s most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting‑edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats, supporting both the F-35 and other essential training and logistics operations.

Standard Job Description

What We're Doing

At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world’s most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting‑edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats, supporting both the F-35 and other essential training and logistics operations.

The Work

Responsibilities

As a Cyber Systems Security Engineer, you will play a vital role in securing the backbone of mission‑critical systems. Your responsibilities will include:

• Designing and developing cybersecurity solutions that span the entire system lifecycle, from initial planning to final validation.
• Conducting risk assessments, including threat modeling and vulnerability analysis, to evaluate and address potential security gaps.
• Collaborating with engineers and system architects to analyze and resolve cybersecurity trade‑offs and system design constraints.
• Performing cybersecurity testing to validate that hardware and software designs meet security requirements.
• Employing proven cybersecurity methodologies, processes, and tools, ensuring consistent application across projects.
• Supporting assessment and authorization activities to ensure compliance with required cybersecurity standards.

Who We Are

Lockheed Martin’s RMS division is home to some of the brightest minds in the cybersecurity field. Our team is driven by innovation and a commitment to excellence, focused on ensuring the safety and success of our customers’ most complex missions. We thrive in a collaborative environment where cutting‑edge technology is used to solve real‑world challenges. At Lockheed Martin, we place high value on the skills, education, and training that each employee brings to the table, empowering everyone to make meaningful contributions.

Who You Are

You are a Cyber Security Engineer with a passion for tackling the most complex problems in the cyber domain. You thrive in a collaborative environment, working with cross‑functional teams to design, test, and implement innovative solutions. Your technical expertise is complemented by a deep understanding of the full system lifecycle and how to integrate security seamlessly into every phase. You have experience in:

• Conducting cyber risk assessments and implementing mitigation strategies.
• Responsible for securing and hardening hardware and software systems.
• Collaborating with engineers, architects, and developers to ensure robust security solutions.
• Performing cybersecurity testing and ensuring compliance with industry standards and regulations.

Basic Qualifications

Education & Experience

• Bachelor’s degree from an accredited college/university in a related discipline (e.g., Cyber Security, Systems Engineering, Information Technology, Computer Science, or a comparable field) and at least 5 years of relevant professional experience, or Master’s degree in a related discipline with no required professional experience.

Technical Skills

• Proficiency in at least one scripting language (PowerShell, Python, Bash, or comparable).
• Hands‑on experience administering and troubleshooting both Linux (RHEL, Ubuntu, etc.) and Windows (Server/Workstation) environments.

Documentation & Communication

• Demonstrated ability to produce clear, accurate technical documentation.
• Strong written and verbal communication skills; capable of presenting technical information to both technical and non‑technical audiences.

Security & Clearance

• Ability to obtain and maintain a DoD Secret clearance (must be a U.S. citizen).
• Possession of CompTIA Security+, or equivalent DoD8570 type certification

Desired Skills

• Knowledge of NISTSP800‑53 security control families.
• Patch management deployment experience.
• Hands‑on experience with vulnerability scanning tools (e.g., Nessus, ACAS).
• Network administration (routing, switching, firewall rules, VLANs, DNS/DHCP).
• Familiarity with DoD/IC Security Technical Implementation Guides (STIGs) and how to apply them
• Basic proficiency with containerization (Docker) and orchestration platforms (e.g. Kubernetes)
• Understanding of CI/CD pipelines and how security integrates (DevSecOps)
• Experience authoring requirements in IBMDOORSNextGeneration (or DOORSNG).
• Model‑Based Systems Engineering (MBSE) experience using SysML, including developing and maintaining system models with CAMEOSystemsModeler.

Pay Information

Full‑Time Salary Range: $98100.00 - $182100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well‑being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered

Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.