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Information System Security Engineer (ISSE)at SMX(View all jobs) (https://www.smxtech.com/careers/)

Aiea, HI

SMX is seeking a highly skilled Information Systems Security Engineer (ISSE) to support the USINDOPACOM J6 portfolio of programs. This position is onsite at Hickam AFB, SMX HQ, and SMX Pearlridge HQ. Join our team to drive advanced cybersecurity solutions, focusing on hands-on system testing, Security Information and Event Management (SIEM) configurations, system security engineering, zero trust architecture implementation, and supporting the Assessment and Authorization (A&A) process to protect critical DoD systems in a dynamic, mission-critical environment.

This position requires a DoD Secret with eligibility for TS/SCI which requires US citizenship for work on DoD contracts.

Essential Duties & Responsibilities:

+ Conduct hands-on security testing and vulnerability assessments, including penetration testing, configuration analysis, and security control validation.

+ Configure and optimize SIEM platforms (e.g., Splunk, Elastic, ArcSight) to collect, correlate, and analyze security event data for real-time threat detection.

+ Perform system security engineering tasks, including designing secure system architectures, implementing security controls, and hardening systems to meet DoD standards.

+ Develop and implement zero trust security measures, such as least privilege access, micro-segmentation, and continuous authentication across systems.

+ Support the A&A process by preparing security documentation, conducting risk assessments, and ensuring compliance with DoD standards (e.g., RMF, NIST 800-53).

+ Provide technical expertise to identify, analyze, and mitigate vulnerabilities in Windows, Linux, Active Directory, and virtualized/containerized environments.

+ Analyze and recommend zero trust strategies, integrating identity-based access controls, network segmentation, and continuous monitoring solutions.

+ Develop detailed security reports, SIEM dashboards, and A&A artifacts for high-level briefings and system security engineering efforts.

+ Utilize security tools (e.g., Tenable, Nessus, Splunk, Wireshark) to generate actionable security data and validate system integrity.

+ Coordinate cross-functional meetings to align stakeholders on security testing outcomes, system security engineering efforts, zero trust initiatives, and A&A requirements.

+ Support resource allocation to ensure security testing, SIEM configurations, system security engineering, and A&A tasks are completed on time and within budget.

+ Maintain knowledge management for cybersecurity projects, including SIEM configurations, system security engineering, zero trust implementations, and A&A documentation.

+ Establish effective communication with internal and external stakeholders to promote security best practices and collaboration.

+ Provide daily status updates in a scrum environment and collaborate in a team setting.

+ Participate in technical discussions, offering SME-level recommendations on SIEM configurations, system security engineering, zero trust architectures, and A&A processes.

+ Work independently without supervision to meet mission objectives.

+ Up to 25% travel may be required.

Required Skills & Experience

+ Requires a DoD Secret clearance with the ability to obtain a TS/SCI clearance.

+ BS/BA in Cybersecurity, Computer Science, Information Technology, or related technical discipline OR

+ Associate’s degree with additional relevant experience may be substituted for a BS/BA.

+ Minimum of 10 years of experience in cybersecurity, with a focus on system security testing, SIEM management, system security engineering, or A&A processes.

+ Expertise in configuring and managing SIEM platforms (e.g., Splunk, Elastic, ArcSight) for threat detection and incident response.

+ Experience in system security engineering, including secure system design, security control implementation, and system hardening for DoD environments.

+ Strong understanding of zero trust architecture principles and practical implementation in DoD environments.

+ Experience supporting the A&A process, including preparing RMF artifacts, conducting security control assessments, and interfacing with authorizing officials.

+ Proficiency in security testing tools (e.g., Tenable, Nessus, Burp Suite, Wireshark) and techniques (e.g., penetration testing, vulnerability scanning).

+ Experience securing Microsoft Windows, Linux, Active Directory, and virtualized/containerized environments (e.g., VMware, Kubernetes).

+ Proficiency with scripting and automation tools (e.g., PowerShell, Python, Ansible) for security testing, SIEM configurations, and system security engineering.

+ Ability to complete technical tasks within required timeframes without supervision.

+ Excellent communication and interpersonal skills, with a customer-focused mindset.

+ Capacity to learn new systems rapidly and adapt to evolving security technologies.

Desired Skills & Experience

+ 5-10 years of experience as an ISSE or in a technical cybersecurity role.

+ Prior experience supporting USINDOPACOM or other DoD commands.

+ Hands-on experience implementing zero trust solutions, such as identity-based access controls, micro-segmentation, or behavioral analytics.

+ Experience optimizing SIEM platforms for large-scale DoD environments or integrating with SOAR tools (e.g., Splunk SOAR, Palo Alto XSOAR).

+ Familiarity with cloud security (e.g., Azure, AWS) and containerized environments (e.g., Docker, Kubernetes).

+ IAT Level III or IAM Level II certification (e.g., CISSP, CISM, CASP+).

+ Experience with additional security tools such as Palo Alto firewalls, Wazuh, or CrowdStrike.

+ Experience with DoD A&A tools such as eMASS or Xacta.

**Application Deadline:** November 17, 2025

\#LI-AP1 #CJPOST

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$115,600—$192,700 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).