2,075,702open jobs
127,211companies
241,124added this week
Browse all
Salary
≈ $114k – $234k per year (Estimated)
Location
In office (Palm Bay)
Seniority
Staff · 13+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 10, 2026. L3Harris Technologies scores A on the Alion truth index.

Overview
Company
Impact
Profile match
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title:Lead, Information Security Systems Engineer

Job Code:44237

Job Location:Palm Bay, FL

Job Schedule:9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

Applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Throughout the lifecycle of system, works closely with customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early, and in a sustainable manner that will allow for the security authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products using methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment while implementing the policies and procedures necessary to monitor and maintain such an environment. Prepares Certification and Accreditation documentation, using multiple industry standards such as DITSCAP, NIACAP, DCID 6/3, Common Criteria, and NIST 800-37, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

Essential Functions:

  • Lead assessment activities for security and privacy controls in embedded systems using NIST 800-53.
  • Experience leading programs through the Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard Body of Evidence (BoE) package development.
  • Experience with A&A package processing
  • Experience in RMF accreditation of Platform IT (PIT) systems.
  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Experience in DoD software selection and approval processes for COTS, GOTS and FOSS
  • Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data
  • Assist program security in the development of policies and procedures for emerging security technologies
  • Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects
  • Experience with Security Testing and Verification
  • Experience as Control Account Manager (CAM) with Earned Value Management System (EVMS) tools
  • Experience as Integrated Product Team Lead (IPTL)
  • Work is to be accomplished 100% onsite, in a lab environment, no options for remote support
  • Ability to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start

Qualifications:

  • Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • Active Collateral Secret security clearance required.

Preferred Additional Skills:

  • NSA Type 1 Certification of cryptographic high assurance devices
  • Experience with NSA High Assurance products and IASRD and SERD requirements
  • Lead the development and implementation of Anti-Tamper (AT) throughout the System Development Lifecycle. Key tasks include
    • Assessing systems for Critical Program Information
    • Conducting trade studies
    • Developing AT requirements
    • Implementing security architectures
    • Assessing threats via attack/countermeasure analysis
    • Conducting Verification and Validation activities.
  • Serve as a SME in the area of AT.
  • Experience using DoD 5200.39 in identifying and protecting critical program information (CPI).
  • Experience in Engineering trustworthy and secure systems IAW NIST 800-160.
  • Draft Program Protection Implementation Plans (PPIPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans
  • Interact with customer to define AT requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
  • Ability to obtain Top Secret clearance preferred, active TS/SCI Clearance is highly desired.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,075,702 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Palm Bay
$137k – $229k per year · Remote (United States) · Full-Time · 6+ years exp · Bachelor's Degree · Waltham
DevOps
GCP
Azure
AWS
Cybersecurity
ISO 27001
Zero Trust
OWASP
Apply
In office · 8+ years exp · Bachelor's Degree · Kirkland
DevOps
GCP
Cybersecurity
Threat Modeling
Apply
$140k – $195k per year · In office · 10+ years exp · Baltimore
Python
YARA
Databases
ElasticSearch
Apache Kafka
AI/ML
Spark
DevOps
Splunk
GitHub Actions
GitLab CI
CI/CD
Jenkins
Cybersecurity
Microsoft Sentinel
YARA
MITRE ATT&CK
STIX
Sumo Logic
Cortex XSOAR
SIEM
Analytics
Apache NiFi
Apply
$109k – $163k per year · In office · TS/SCI · Full-Time · 5+ years exp · High School Diploma · United States
DevOps
Splunk
Cybersecurity
Nessus
Apply
$136k – $204k per year · In office · Secret · Full-Time · 8+ years exp · High School Diploma · Baltimore
DevOps
Splunk
Cybersecurity
Nessus
Apply
Hybrid · Full-Time · 7+ years exp · Bengaluru · Mumbai
Python
Python
Boto3
DevOps
Splunk
Terraform
GCP
CloudFormation
Datadog
Azure
CI/CD
AWS
Kubernetes
Amazon EKS
AWS Lambda
Incident Management
IAM
Amazon ECS
Amazon EventBridge
Cybersecurity
Okta
Checkov
CIS Benchmarks
NIST 800-53
FedRAMP
Zero Trust
Least Privilege
tfsec
Sumo Logic
SIEM
Management
Jira
ITSM
Apply
$160k – $180k per year · In office · Full-Time · 10+ years exp · Bachelor's Degree · Country Club Hills
AI/ML
Function Calling
DevOps
Azure
AWS
IAM
Cybersecurity
ISO 27001
NIST CSF
PCI DSS
SOC 2
GDPR
NIST 800-53
SIEM
Apply
$177k – $239k per year · Hybrid · 8+ years exp · Bachelor's Degree · Cambridge
Python
JavaScript
PowerShell
AI/ML
AI Agents
DevOps
Rest API
IAM
Cybersecurity
CyberArk
NIST CSF
NIST 800-53
Zero Trust
Least Privilege
Microsoft Entra ID
BeyondTrust
Active Directory
LDAP
Apply
≈ $149k – $286k per year (Estimated) · Hybrid · Full-Time · 5+ years exp · Bachelor's Degree · Los Angeles · Dallas · New York · Seattle
AI/ML
Red Teaming
DevOps
Splunk
Terraform
GCP
CloudFormation
Datadog
Prometheus
Azure
CI/CD
AWS
Docker
Kubernetes
Bicep
Cortex
IAM
API Gateway
VPN
Cybersecurity
Okta
Snyk
Crowdstrike
Prisma Cloud
CyberArk
Qualys Cloud Platform
SonarQube
BloodHound
HashiCorp Vault
Checkmarx
Microsoft Sentinel
Zscaler
ISO 27001
Open Policy Agent
Checkov
Microsoft Defender
Wiz
MITRE ATT&CK
NIST CSF
PCI DSS
GDPR
NIST 800-53
CVSS
Zero Trust
Least Privilege
Threat Modeling
Cortex XSOAR
Recorded Future
Microsoft Entra ID
BeyondTrust
Pacu
SIEM
Management
ServiceNow
Apply
$121k – $187k per year · Remote (likely United States) · Full-Time · 5+ years exp
Cybersecurity
GDPR
NIST 800-53
Management
ITIL
Apply
≈ $122k – $250k per year (Estimated) · In office · TS/SCI · 13+ years exp · Greenville
Cybersecurity
Nessus
SpaceTech
Cameo Systems Modeler
IBM DOORS
MBSE
Apply
$125k – $232k per year · In office · TS/SCI · 13+ years exp · Clifton
Cybersecurity
NIST 800-53
MedTech
Verification & Validation
Defense
EVMS
Apply
$81k – $150k per year · In office · Secret · 8+ years exp · Bachelor's Degree · Rochester
Apply
$111k – $206k per year · In office · TS/SCI · 13+ years exp · Colorado Springs
AI/ML
Function Calling
AI Agents
Human-in-the-Loop
LLM Guardrails
DevOps
Splunk
CI/CD
AWS
GitLab
Cybersecurity
Nessus
NIST 800-171
Zero Trust
Least Privilege
SBOM
Fortify
Management
UML
SpaceTech
SysML
Defense
CMMC
Apply
≈ $109k – $212k per year (Estimated) · In office · Full-Time · 8+ years exp · Bachelor's Degree · Palm Bay
Chips/EDA
Cadence Virtuoso
Plasma Etch
Electron Microscopy (SEM/TEM)
Management
Agile
Apply
$30k – $32k per year · In office · Part-Time · Palm Bay
Apply
In office · Part-Time · Palm Bay
Apply
In office · Part-Time · Palm Bay
Apply
Quality Technician 6 days ago
≈ $34k – $60k per year (Estimated) · In office · TS/SCI · 2+ years exp · High School Diploma · Palm Bay
SpaceTech
AS9100
GD&T
Apply
See all jobs
This is one of many
2,075,702 more open roles from verified company boards, updated every day.