This position requires office presence of a minimum of 5 days per week and is only located at customer's site.

AT&T has an opening for a Senior Information Systems Security Engineer (ISSE) for the TAC2O systems program. This position will be providing managed IT support of TAC2O systems for high-priority defense intelligence collection needs.

Duties/Responsibilities:                                                                                               

• 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

Required Clearance:

TS/SCI, with Poly (#tssci) (#polygraph)

Required Qualifications:

• 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 

Our Senior Information Systems Security Engineer 's earn between $118,700 -$206,000. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

Joining our team comes with amazing perks and benefits:

• Medical/Dental/Vision coverage
• 401(k) plan
• Tuition reimbursement program
• Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
• Paid Parental Leave
• Paid Caregiver Leave
• Additional sick leave beyond what state and local law require may be available but is unprotected
• Adoption Reimbursement
• Disability Benefits (short term and long term)
• Life and Accidental Death Insurance
• Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
• Employee Assistance Programs (EAP)
• Extensive employee wellness programs
• Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T wireline phone