Senior Information Systems Security Engineer (Government)

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

About the role

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. This opening is for a Senior Information Systems Security Engineer (ISSE) for the TAC2O systems program, providing managed IT support of TAC2O systems for high-priority defense intelligence collection needs. Responsibilities are full-time on the customer’s onsite and will cover classified programs and Special Access Programs (SAP). No telework.

Responsibilities

• Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited.
• Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected.
• Assists 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 weaknesses.
• Develops comprehensive system test plans (STP) to assess the security posture of the information systems.
• Analyzes scan results and security findings to prioritize remediation efforts and implement corrective measures.
• Participates in incident response activities and assists in the resolution of security incidents as needed.
• Collaborates with stakeholders to identify security requirements and ensure alignment with organizational objectives.
• Stays abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems.

Requirements

• TS/SCI clearance with polygraph.
• 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.
• Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management.
• 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 Guides (STIGs).

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.

Pay

Starting salary range: $118,700 – $206,000. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

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.

Schedule

• Weekly Hours: 40.
• Time Type: Regular.

Location: Reston, Virginia.