System Security Engineer Jobs

New

Systems Security Engineer

We’re seeking a Cyber Integration Engineer to join the Zero Trust Leadership Cel...

Location

United States , Tampa

Salary:

Not provided

Barbaricum

Expiration Date

Until further notice

Requirements

Active DoD Top Secret clearance with SCI eligibility (required or pending verification)
Bachelor’s degree in Systems Engineering, Computer Science, Cybersecurity, Electrical Engineering, or related field
Minimum 12 years of progressive IT / Cybersecurity experience, including 5+ years in systems or security engineering and technical integration for enterprise-scale DoD systems
Demonstrated expertise across multiple technical domains
DoD 8570 IASAE Level II certification (e.g., CASP+ CE, CISSP, CSSLP)

Job Responsibility

Serve as the technical liaison between the Chief ZT Architect and 12 IPlan teams, aligning efforts with the enterprise ZT Reference Architecture
Analyze and resolve complex cross-pillar integration challenges (e.g., ICAM, network segmentation, data access controls)
Develop detailed architectural artifacts, including integration patterns, ICDs, and sequence diagrams
Provide expert-level “surgical augmentation” to execution teams to resolve technical barriers and accelerate delivery
Apply Systems Security Engineering (NIST 800-160) best practices throughout the SDLC
Validate integration feasibility across multi-cloud (AWS, Azure), hybrid, on-premises, and SOF tactical edge environments
Support Architecture Review Boards, technical deep dives, and solution validations
Develop and execute integration test plans and transition strategies for capability handoff to sustainment

New

Information Systems Security Engineer

Barbaricum is seeking an Information Systems Security Engineer (ISSE) providing ...

Location

United States , Warren, MI

Salary:

Not provided

Barbaricum

Expiration Date

Until further notice

Requirements

Recommend security designs and develop architectures for combat ground platforms
Integrate cybersecurity tasks within systems engineering processes during system acquisition
Provide expertise in Cybersecurity and Information Assurance for combat vehicles
Implement Cross Domain Solution (CDS) designs as part of national cybersecurity initiatives
Conduct cyber threat assessments and recommend solutions for identified deficiencies
Support cybersecurity testing and certification, ensuring system compliance
Facilitate certification processes with Army and national cybersecurity offices
Translate security controls into system requirements and verify threat mitigations
Participate in technical meetings and provide cybersecurity input on C5ISR integration
Prepare and present cybersecurity-related materials and reports

Job Responsibility

Recommend security designs and develop architectures for combat ground platforms
Integrate cybersecurity tasks within systems engineering processes during system acquisition
Provide expertise in Cybersecurity and Information Assurance for combat vehicles
Implement Cross Domain Solution (CDS) designs as part of national cybersecurity initiatives
Conduct cyber threat assessments and recommend solutions for identified deficiencies
Support cybersecurity testing and certification, ensuring system compliance
Facilitate certification processes with Army and national cybersecurity offices
Translate security controls into system requirements and verify threat mitigations
Participate in technical meetings and provide cybersecurity input on C5ISR integration
Prepare and present cybersecurity-related materials and reports

Physical Security Systems Engineer

Join Allied Universal® Technology Services, a global leader in transforming the ...

Location

United States , Wilmington

Salary:

80000.00 - 115000.00 USD / Year

Allied Universal®

Expiration Date

Until further notice

Requirements

A minimum of five (5) years of experience in electronic security systems design / engineering
In-depth knowledge of security system design best practices and product applicability, including products like: Video surveillance and related technologies (Analog, IP, Codecs, VMS)
Access control and related technologies (card access, biometrics, PIV, FIPS-201, HSPD-12, various processor panels, electric locking hardware, etc.)
Physical intrusion detection (Bosch, DMP, etc.)
Software House, Lenel, Amag, Brivo, Genetec, and Avigilon systems architectures
Computer software skills to include: AutoCAD and associated rendering applications, MS Office, Acrobat Writer, and Visio
Ability to read and understand complex architectural and engineering drawings
Working knowledge of AC and DC circuitry, voltage drop calculations, and wire sizing
Ability to collaborate with diverse teams of technical designers and engineers
Ability to simultaneously work on multiple large, complex projects

Job Responsibility

Creates and updates comprehensive post-sale engineering packages illustrating device locations, IDF/MDF room layouts, SOC/GSOC layouts, console designs, installation diagrams, riser diagrams, network designs, etc.
Creates and updates performance-based and product-based specifications
Creates and updates pre-fabrication submittal packages as specified by architects and engineers for their approval prior to installation
Develops and maintains as-built record documentation over the life cycle of various projects and follow-on MAC work
Utilizes and contributes to a comprehensive library of standard post-sale engineering documents, templates, and standards, as well as project-specific and customer-specific submittals
Ensures effective value engineering by assuring technical compliance while at the same time reducing Allied Universal Technology Services costs whenever possible
Reviews AUTS proposals both pre-sale and post-sale to scrutinize selected products for applicability and specification compliance
Collaborates with AUTS’s product suppliers to ensure the desired functionality of selected products.
Consistently applies AUTS’s standards for installation
Contributes to AUTS internal guidelines for Solutions Engineering engagement and post-sale systems engineering

What we offer

Medical, dental, vision, basic life, AD&D, and disability insurance
Enrollment in our company’s 401 (k) or Supplemental Income Plan, subject to eligibility requirements
Eight paid holidays annually, five sick days, and four personal days
Vacation time offered at an accrual rate of 3.08 hours biweekly. Unused vacation is only paid out where required by law.
Employee Assistance Program
Employee Discount Program
Tuition Discount Program
Training & Career Development Programs

Fulltime

Senior Defensive Security Engineer – Embedded Systems

Silvus is seeking a Senior Defensive Security Engineer – Embedded Systems who wi...

Location

United States , Los Angeles

Salary:

140000.00 - 200000.00 USD / Year

Silvus Technologies (International)

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or related field (e.g., Mathematics, Computer Engineering)
Minimum 5 years in cybersecurity, with at least 2 years in defensive security roles focused on Linux-based systems
Expertise in Linux network security, secure coding, or embedded systems security
Coding/scripting in C/C++, Python, Bash, or assembly for Linux environments
Familiarity with Linux security tools like Auditd, Lynis, or vulnerability scanners
Security Clearance: Active U.S. Government SECRET clearance or the ability to obtain one within 12 months of hire
Must be a U.S. Person (U.S. Citizen, or U.S. Permanent Resident) due to clients under U.S. federal contracts

Job Responsibility

Design and implement Linux-based security architectures for embedded systems, focusing on secure boot, and kernel hardening
Develop and enforce Linux security features, including iptables, netfilter, and auditd for intrusion detection and prevention
Conduct security assessments and audits of Linux-based embedded systems to identify and mitigate vulnerabilities
Integrate Linux security best practices into the development lifecycle (DevSecOps), emphasizing secure coding and configuration management
Manage vulnerabilities in Linux-based embedded systems, including timely patching and kernel updates
Train teams on Linux security practices, including privilege management, file system permissions, and container security
Participate in incident response planning and execution for Linux-based embedded systems
Implement Linux-native encryption and authentication mechanisms (e.g., dm-crypt, OpenSSL, PAM) for secure communications

Fulltime

Principal System Security Engineer

Owl’s Principal System Security Engineer ensures our mission-critical security p...

Location

United States , Columbia

Salary:

Not provided

Owl Cyber Defense

Expiration Date

Until further notice

Requirements

Bachelor’s Degree in a technical discipline (Master’s degree preferred)
Twelve+ years of experience in security and vulnerability analysis
Five+ years in a security leadership position
Cross-Domain Solutions (CDS) Familiarity
Experience with secure software development principles
Strong communication and collaboration skills across product teams
Excellent problem-solving and critical-thinking skills
Understanding of Agile/Scrum methodologies and tools (Git, JIRA)
Ability to prioritize tasks effectively
Experience in hiring, scaling teams, and managing remote engineering teams

Job Responsibility

Work as a cross functional technical engineer to provide system engineering, cyber security, solution architecture and product integration across various internal teams
Lead system and security engineering and integration reviews of new features and capabilities in current product portfolio and new products
Conduct technical deep dive TEMs and security architectural reviews
Work to understand the operational, functional and security requirements as they relate to mission and deployment environments
Work with solution architects and sales engineers to ensure system designs, implementations, configurations and integrations into operational environments are compliant from a security perspective
Assist in design engineering and development efforts to implement Raise the Bar (RTB) compliance
Facilitate products through the Cross Domain Solutions (CDS) processes
Support the development of related technical and information/ decision briefs, as well as patching and upgrades briefings
Collaborate with software development and network operations teams to integrate secure data transfer practices into the Software Development Lifecyle
Work with SW developers to ensure RTB compliance

Information System Security Engineer

Leave things better than you found them - share and share alike, let others bene...

Location

United States , Annapolis Junction

Salary:

150000.00 - 225000.00 USD / Year

LufCo

Expiration Date

Until further notice

Requirements

B.S. degree in Computer Science or other related field
4 years of additional experience may be substituted for a bachelor’s degree
CISSP Certification
Fourteen (14) years’ experience is required
Strong troubleshooting skills and ability to collaborate with others to determine root cause
Strong communication and requirements solicitation skills
TS/SCI with polygraph, U.S. citizen

Job Responsibility

Security engineering representative on engineering teams for the design, development, implementation, and integration of secure networking, computing, and enclave environments
Hands on application and knowledge of IA policy, procedure, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments
Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures
Security planning, assessment, risk analysis, and risk management
Identify overall security requirements for the proper handling of Government data
Interact with the customer and other project team members

What we offer

Competitive salary
generous PTO
health/dental/vision insurance
401K matching
tuition reimbursement
Paid Time Off
401K Contribution and Employer Match Contributions
Medical, Dental, and Vision Coverage
Employee Assistance Program

Fulltime

Senior Systems Security Engineer

AnaVation is looking for a Sr. Systems Security Engineer to assist the customer ...

Location

United States , Washington

Salary:

Not provided

AnaVation

Expiration Date

Until further notice

Requirements

5-10 years of experience in information system engineering and configuration management
5 years of experience in control implementation and secure system engineering or design
Excellent communication skills
Hands on experience with: Security monitoring and evaluation, including audits, assessments, and risk management
SIEM tools (e.g., Splunk)
Vulnerability Scanning tools (e.g., Tenable, Nessus)
EDR tools (e.g., Crowdstrike)
Web App Scanning tools (e.g., Burpsuite, Acunetix)
Active Directory
SANs

Job Responsibility

Performing hands-on engineering, administration, and securing of multiple operating systems (e.g., Windows, RHEL, Unix variants), and applying DISA STIGs across diverse vendor technologies, including virtualization platforms (VMWare, Hyper-V), cloud environments (AWS, Azure, Google Cloud), and enterprise applications
Perform system administration tasks to include audit and log management, availability monitoring and remediation, account management and access reviews, and configuration update scheduling and performance
Contribute to the design and development of secure system architectures, ensuring security is integrated through system and network lifecycles
Evaluate, implement, and document security architecture solutions, aligning with compliance requirements and organizational mission needs
Ensure technical compliance with applicable security frameworks, standards, and regulations (e.g., DISA SITGs, NIST 800-53, RMF)
Conducting, configuring, and managing vulnerability scans
Conducting vulnerability remediations, patching, and system hardening
Collaborate with ISSOs, Assessors, System Owners, and other stakeholders to implement security controls
Support security assessments, audits, and accreditation/authorization (ATO) activities
Document security configurations, engineering solutions, and compliance evidence

What we offer

Generous cost sharing for medical insurance for the employee and dependents
100% company paid dental insurance for employees and dependents
100% company paid long-term and short term disability insurance
100% company paid vision insurance for employees and dependents
401k plan with generous match and 100% immediate vesting
Competitive Pay
Generous paid leave and holiday package
Tuition and training reimbursement
Life and AD&D Insurance

Fulltime

Information Systems Security Engineer

The Information Systems Security Engineer provides support to the customer in th...

Location

United States , Westfields

Salary:

Not provided

Arcfield

Expiration Date

Until further notice

Requirements

Must possess and be able to maintain a TS/SCI with Poly
A Bachelors of Science degree with 10-12 years of relevant experience, a Master's degree with 8-10 years of relevant experience, or a PhD with 5-7 years of relevant experience
Able to support customer’s core hours (0900-1500
Mon – Fri)
A Cyber Certification (DoD 8570/8140)
Excellent communications skills – Verbal and Non-Verbal
Demonstrated expertise and experience in networking protocols and concepts
Demonstrated knowledge and experience in software defined networking principles and technologies
Demonstrated experience providing security engineering support
Demonstrated knowledge and experience in the NIST RMF

Job Responsibility

Collaborate with stakeholders to ensure their assets are compliant with the Risk Management Framework
Collaborate with government customer to provide status of cognizant assets, make recommendations when warranted and provide feedback to stakeholders
Provide analytical and technical security recommendations to the customer
Identify projects’ security requirements
Participate in network design reviews and security testing for the customer’s networks
Coordinate with system development teams to ensure network security standards are being followed and implemented correctly
Identify additional security requirements, based on RMF or as the result of security issues that put the customer’s systems at risk
Review and analyze new systems (hardware and software) and provides recommendations concerning their security
Provide A&A and RMF guidance to system owners to ensure accreditation success
Provide insight and recommendations leading up to and during the customer's information assurance readiness review process

Fulltime

System Security Engineer

Booz Allen Hamilton

Location:
United States , Annapolis Junction

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 27, 2025

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Location:United States , Annapolis Junction

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:December 27, 2025

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Location:
United States , Annapolis Junction

Category:
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Contract Type:
Not provided

Job Posted:
December 27, 2025