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Added 1 min ago
Security Engineer (FIPS 140)
Maxtena Inc
Germantown, MD
The Security Engineer, you will get an exciting opportunity to work in the growing IT Security field in support of National Defense. The products you will touch will be deployed into larger…
Added 1 min ago
LS
Senior Infrastructure Engineer
Link Solutions, Inc.
Adelphi, MD
- $135,000 to $175,000 USD / year
Link Solutions is seeking a Senior Infrastructure Engineer to support the Army Research Laboratory (ARL) Information Technology Modernization and Support Services program in Adelphi,…
Added 4 mins ago
Process Automation and PowerBI Developer
Amivero
DC, DC
…important, mission-critical, and public service government IT systems. Special…
Added 8 mins ago
Production Application Support Engineer
CGI Technologies and Solutions, Inc.
Cary, NC
Strong knowledge of Unix/Linux operating systems, configuration, administration, troubleshooting, and platform maintenance.
Added 10 mins ago
A
Electrical Engineer
Actalent
Herndon, VA
- $99,500 to $170,750 USD / year
Electrical EngineerJob DescriptionJoin our innovative team as an Electrical Engineer in Herndon, VA, where you will contribute to the development of cutting-edge security solutions for the…
Added 10 mins ago
A
Software Verification Engineer
Actalent
Grand Rapids, MI
- $67.31 to $84.13 USD / hour
Job Title: Software Verification EngineerJob DescriptionWe are seeking a hands-on Software Verification Engineer with strong Python-based testing experience to support the development of a…
Added 16 mins ago
Quality Assurance Engineer I - AMZ24481.6
Amazon.com Services LLC
Austin, TX
1) 1 year of experience in developing tests for large-scale software systems using Java or Shell Scripts in a Windows, UNIX, or Linux environment
Added 16 mins ago
System Development Engineer, ESCAPE
Amazon.com Services LLC
San Luis Obispo, CA
If this describes you, Amazon is looking for a system development engineer to join one of our many lines of business. Amazonians have the opportunity to work alongside the industry’s…
Added 24 mins ago
TE
Senior Test Engineer III
The Employment Firm
Longmont, CO
- $80,000 to $100,000 USD / year
As a Senior Test Engineer III, you will play a critical role in developing, maintaining, and improving electronic testing systems while supporting manufacturing operations.
Added 26 mins ago
SOFTWARE ENGINEER
Aero Simulation, Inc.
Tampa, FL
The purpose of the Software Engineer position is to design, develop, integrate, test, and document software for the control of flight simulation systems.
Added 28 mins ago
TI
Senior Software Engineer-4264206
TCG, Inc.
Washington, DC
- $130,000 to $140,000 USD / year
…provider to the Federal government seeking a Senior Software Engineer to join our team for a service conversion…
Added 30 mins ago
IT Cloud Engineer
BJ's Wholesale Club, Inc.
BJ's Club Support Center Marlborough, MA
…or foreign equivalent. Two years of experience as a DevOps Engineer or related, 2 years experience must include AWS core services, Git, Bitbucket, Jenkins, Terraform, ansible, Docker,…
Added 30 mins ago
RI
Engineer, Propulsion System Diagnostic Software Validation
Re:Car, Inc
Troy, MI
- $130,000 USD / year
Experience: One (1) year in the position above, as a Software Engineer – Controls, as a System Engineer, as a Systems Validation Engineer, as a Test Design Engineer, or in a related…
Added 32 mins ago
Senior Engineer -Computer (REQ 327)
Applied Physical Sciences and General Dynamics
Groton, CT
Applied Physical Sciences (APS) is looking for a highly motivated senior-level computer engineer to join our Sensing and Communications Department. Successful candidates will have a BS, MS,…
Added 38 mins ago
Lead DevOps Engineer
London Stock Exchange Group Holdings Inc
St. Loui, MO
This Lead DevOps Engineer position is a key role within the SRC Team which sits within the Application Services Division, with responsibilities to facilitate adoption of standard DevOps…
Added 41 mins ago
Security Engineer
Scientific Research Corporation
Orlando, FL
Implementing, coordinating, and maintaining patching procedures across diverse environments, including Linux, Windows, VMware virtual layers, and Cisco network systems
Added 42 mins ago
CT
System Engineer 2
Columbia Technology Partners
Annapolis Junction, MD
- $135,000 to $155,000 USD / year
CTP is seeking an experienced System Engineer 2 to support complex system and network infrastructure within RF and SIGINT environments. This role combines hands-on Linux and Windows…
Added 42 mins ago
CT
RF Systems Engineer 2
Columbia Technology Partners
Annapolis Junction, MD
- $130,000 to $150,000 USD / year
Columbia Technology Partners is seeking an experienced RF Systems Engineer 2 to support advanced RF and SIGINT systems. This role focuses on system administration, integration, and…
Added 42 mins ago
Senior PostgreSQL Database Engineer
teKnoluxion
Springfield, VA · St. Louis, MO
…division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and…
Added 43 mins ago
A
Software Engineer
Actalent
Maple Grove, MN
- $50 to $70 USD / hour
Senior Software Engineer Hard Real-Time Embedded C++ (Maple Grove, MN)OverviewSenior-level individual contributor role (90% hands-on development, 10% technical leadership) focused on…
Added 45 mins ago
Software Development Engineer in Test (SDET)
Pulsara
Remote, United States
Senior Software Development Engineer in Test (SDET) (Remote, US-Based Only)
Added 47 mins ago
Next Generation Desktop Environment (NGDE) Engineer – TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Engineer and support UNIX/Linux servers, operating systems, and integrations with enterprise hardware and software across Enterprise
Added 47 mins ago
Virtualization Engineer
GD Information Technology, Inc.
United States
Guide engineering teams in troubleshooting and operationalizing complex virtualization environments involving VMware, Hyper‑V, and Linux/KVM systems.
Added 47 mins ago
Linux Systems Engineer
GD Information Technology, Inc.
United States
Advance how our customers operate while you advance your career. Join GDIT as a Senior Linux Systems Engineer and build an impactful career in enterprise IT, collaborating with people who…
Added 50 mins ago
Software Engineer V
ECS FEDERAL LLC
Remote, United States
ECS is seeking a highly experienced Software Engineer to work remotely.

L3Harris Technologies

Manager, Information Security Systems Engineer

Greenville, TX, United States

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Job details

Apply by: Feb 7, 2027
Posting language: English
Posted: Nov 3, 2026

Original job description

Job Title: Manager, Information Security Systems Engineering (ISSE)

Job Code: 47069

Job Location: Greenville, TX

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

Job Description:

L3Harris is seeking an Information Security Systems Engineering (ISSE) Manager to lead the Accreditation, Authorization and Audit team in managing and implementing secure systems. This role focuses on ensuring the security of information systems, networks, and data throughout their lifecycle. Key responsibilities include leading security engineering activities, developing and implementing security solutions, and ensuring compliance with relevant standards and regulations. Works closely with Government customers and the engineering development teams 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 throughout the life cycle of system that results in obtaining an ATO.

Essential Functions:

Ability to obtain a US TS/SCI security clearance.
10% travel based on business needs.
Communicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts.
Track all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/re-accreditation actions.
Establish a rigorous audit program to support all assigned programs.
Responsible for improving upon existing processes or establishing new processes and systems.
Cultivate relationships with engineering teams to decide on best implementation paths to meet security objectives.
Leadership and Communications skills.
Forecast Systems Engineering Manpower needs based on Program and Potential demand forecast.
Establish training requirements for continued professional development of the team to meet business goals.
Responsible for creating workforce and staffing plans.
Able to socialize ideas, make recommendations, and gain team consensus.
Work is 100% on-site and cannot be accomplished remotely.

Qualifications:

Bachelor’s Degree and minimum 9 years of prior ISSE experience.
Graduate Degree and a minimum of 7 years of prior ISSE experience.
In lieu of a degree, a minimum of 13 years of prior ISSE experience.
CompTIA Sec+ certification.
Demonstrated experience leading and establishing guidance and accountability.
Experience with Xacta or eMASS.
Demonstrated understanding of Risk Management Framework process and best practices for vulnerability management and compliance.
Demonstrated experience with risk management framework based on NIST 800-53 documentation.
Demonstrated experience overseeing ATO (Authority to Operate) processes.
Demonstrated experience developing and managing POA&Ms associated with the A&A and processes.
Demonstrated experience authoring and updating A&A body of evidence (BOE) documentation and Security Relevant Changes.
Demonstrated understanding of networking.

Preferred Additional Skills

Requirements Management.
Proposal Development.
Understanding of Linux audit and logging system architecture.
Understanding of directory services - Active Directory and LDAP.
Understand computer networking and familiarity with NIST publications.
Experience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings.
Certifications - Sec+, CySA, CASP, CISSP.
TS/SCI and CI Poly

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More about this job

Skills

Cybersecurity
Regulatory compliance
Leadership
eMASS
Risk management
Documentation
Linux
Microsoft Active Directory
LDAP
CISSP

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