Information Systems Security Office (ISSO)

Information Systems Security Officer (ISSO) Decision Technologies seeks a qualified Information System Security Officer (ISSO) to join our team in Austin, TX. Position Description: Looking for a Cybersecurity Professional to take the role of ISSO to strengthen security posture through advanced Microsoft security ecosystems, SIEM optimization, and strategic technology planning. Implement and manage Intune, Sentinel, Defender, and automated patching solutions. Working knowledge of Sentinel and Splunk are preferred. Understanding of policies and procedures for continuous monitoring, DLP implementation, executive‑level SIEM reporting, and enterprise risk mitigation. MUST HAVE Secret Security Clearance Responsibilities and Duties: Developed, implemented, and managed enterprise security strategies utilizing Microsoft Intune (Kusto), Sentinel, and Defender. Utilize Sentinel and Splunk to mitigate high priority breaches. Implement patch management tools to reduce Attack Surface Area with Intune and Windows Automatic Update tool. Utilize Defender for Cloud to reduce Attack Surface and increase security in depth. Ensure compliance with regulations like NIST 800‑53, NIST 800‑171, FISMA, or other relevant cybersecurity frameworks. Assess IT products for compliance with CUI and ITAR regulations. Implement Continuous Monitoring of Sentinel to verify Risk Management, Threats, Vulnerabilities, Network and Device security, and any configuration changes. Integrate workbooks with Sentinel to provide SIEM logs for analysis. Implement Data Loss Prevention with Labels in Intune to validate security compliance with HIPAA, NIST, PCI, PII and CUI. Identify potential risks, develop mitigation strategies, and establish contingency plans for enterprise IT systems. Required Qualifications and Skills: 3 to 5 Years of experience. Bachelor’s degree from an accredited university or CNSSI 4012 certificate or ADQ GA7. CompTIA Security+. Desired Qualifications: Completion of one of the following:

NEC 2779 (CIN: A-531-0009).

NEC 3372 (CIN W-3B-1500, EKMS Manager). Understanding of NIST 800‑53 Controls. Knowledge of DOD eMASS database. Familiarity with STIG Viewer. Travel Requirements: Less than 10%. Compensation: Compensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements. Employee Benefits: Competitive Paid Time Off. Comprehensive Medical, Dental and Vision Insurance. Employee Assistance Programs. Flexible Spending Accounts (Medical, Dependent Care & Commuter). Company paid Short Term, Long Term, Life and AD&D Insurance. 401(k) match. Tuition Reimbursement. Paid Certifications. Decision Technologies, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. The pay range for this role is: 100,000 - 115,000 USD per year (Austin, TX) #J-18808-Ljbffr Decision Technologies, Inc.