Information System Security Engineer – ISSE

🕒 May 16

🏈 Ohio – Remote

🏈 Ohio – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

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Applied Research Solutions

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2012

🏛️ Government

🔒 Cybersecurity

Government • Cybersecurity

Applied Research Solutions is a small, mission-focused professional services firm that provides cleared technical and subject-matter expertise to the U. S. Department of Defense and Intelligence Community. The company delivers cybersecurity and information warfare capabilities, agile software development, cloud services, and R&D, and operates on multiple government contract vehicles (e. g. , OASIS+, GSA MAS, Seaport NxG). ARS emphasizes rapid scaling for national security requirements, holds CMMI-SVC ML2 and ISO certifications, and partners with major cloud providers to support secure, mission-driven solutions.

📋 Description

• Engineer secure solutions supporting Cyber Threat and Defensive Operations for DoD enclave environments. • Integrate, configure, and monitor Microsoft Defender for Cloud, Sentinel, Azure Policy, Azure Monitor, and Log Analytics. • Automate threat assessment, security reporting, and continuous monitoring workflows. • Develop and maintain Azure-based detections, dashboards, alerts, and automated response playbooks. • Perform and document technical security assessments to identify vulnerabilities and recommend mitigation strategies. • Implement and validate security controls and secure configurations in alignment with DoD, NIST, and organizational policies. • Support all phases of the RMF lifecycle, including control selection, implementation, assessment, authorization, and continuous monitoring. • Mitigate or correct security deficiencies identified during assessments, testing, or audits, and provide risk acceptance recommendations to the ISSM. • Analyze, assess, and report system and organizational security posture trends to the ISSM/ISSO. • Support audit preparation, artifact collection, and evidence validation for compliance activities. • Ensure security operations, configuration changes, and maintenance activities are properly documented and kept current. • Evaluate cybersecurity tools, compensating controls, and security technologies to ensure risk is reduced to acceptable levels, and report findings to the ISSM. • Assist the ISSM/ISSO in developing and maintaining RMF documentation, including System Security Plans (SSPs), security diagrams, control evidence, and ATO package materials. • Ensure security documentation and SSPs remain current and compliant with applicable DoD and program-specific policies. • Support incident response investigations by analyzing security logs, alerts, and system activity.

🎯 Requirements

• Must be a US citizen • Top Secret clearance with SCI eligibility • 5+ years related experience in SCI/SAP environments • Prior experience functioning as an ISSE or security engineer supporting RMF processes • Advanced technical competency and experience in one or more of the following areas: Active Directory Domain Services, Active Directory Federated Services, Active Directory Certificate Services, Windows Server Update Services, ePO, Splunk, STIG/SCAP, YUM, ACAS Automation, and Azure Monitor / Log Analytics. • Security+ certification • Bachelor’s degree in Computer Science, Engineering, or related field OR equivalent experience • 5-8 years of demonstrated performance in related technologies

🏖️ Benefits

• competitive benefits package • awards and recognition program • personalized attention from ARS Senior Managers