Senior Information Systems Security Engineer (ISSE)

**REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYRAPH**

The job duties of the Sr. ISSE are as follows:

· Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited

· Responsibilities are full-time on customer's onsite and will cover classified programs and Special Access Programs (SAP). No Telework.

· Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected

· Assist team in DIA's Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO)

· Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively

· Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs

· Configures and validates secure systems and physical controls, and tests security products and systems to detect security weakness

· Develop comprehensive system test plans (STP) to assess the security posture of the information systems

· Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures

· Participate in incident response activities and assist in the resolution of security incidents as needed

Requirements:

· Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management

· Security credentials, certifications, and experience commensurate with the job description

· Practical experience deploying, maintaining, and troubleshooting security tools

· Demonstrates the ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements

· Thrives in a fast-paced, complex environment; displays exceptional poise and an unwavering commitment to hard work

· Displays excellent problem-solving abilities and attention to detail

· Experience with each of the following security tools: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s

· Collaborate with stakeholders to identify security requirements and ensure alignment with organizational objectives

· Stay abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems

· A Bachelor's Degree from an accredited institute in an area applicable to this position and four (4) years of relevant experience

· An additional four (4) years of relevant experience may be substituted for the bachelor's degree

· Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for certification

Desired Qualifications:

· Familiar with tiered security environments (U, S, TS)

· Deep understanding of Trellix antivirus suite of products

· Knowledge of Splunk architecture and experience structuring multi-level queries

· Windows expert - capable of advanced Powershell scripting and general administrative functions

· Experience with one or more commercial government cloud service provider's system accreditation process

· Experience as a Cybersecurity Control Assessor for SAP

· Experience with Ongoing Authorizations and Assessments

· Experience with C2S Cloud, or DevOpsSec