Senior Government Systems & Security Engineer (Onsite)

att; Chantilly (VA); On-site; USD 98,000 - 220,000; Full time

Benefits offered by this job

Medical/Dental/Vision

401(k) plan

Tuition reimbursement

Paid Time Off and Holidays

Paid Parental Leave

Paid Caregiver Leave

Disability Benefits

Life Insurance

Employee discounts

Wellness programs

EAP

Job summary

AT&T Global Public Sector is a trusted provider delivering secure, IP-enabled, cloud-based network solutions and services to the Federal Government. This onsite Senior Security Engineer role supports Linux/Windows environments, virtualization, security tooling, and compliance with ISSOs/ISSMs.

The position requires Top Secret/SCI with polygraph and 5+ years in security operations, plus strong communication and leadership skills.

Qualifications

• Bachelor's degree and minimum 5 years of security operations experience.
• US citizenship and active federal security clearance required.
• Experience with on-premise, cloud and hybrid deployments.
• Strong written and verbal communication; leadership and teamwork.

Responsibilities

• Administer and maintain Linux/Windows OS and virtualization platforms.
• Manage security tools (Trellix, SentinelOne, Nessus, Splunk).
• Lead and mentor junior team members; coordinate with ISSOs/ISSMs.
• Patch, hardening and vulnerability remediation for systems/networks.
• Provide Tier 1-3 support and maintain OPS/CONOPS documentation.
• Assist with new IT solutions deployment and security compliance.

Skills

Security operations experience

Team leadership

Interpersonal collaboration

Strong written communication

Verbal communication

US citizenship required

Active federal security clearance

Cloud/hybrid deployments experience

Education

Bachelor's degree in a relevant field

Job description

AT&T Global Public Sector is a trusted provider delivering secure, IP-enabled, cloud-based network solutions and services to the Federal Government. This onsite Senior Security Engineer role supports Linux/Windows environments, virtualization, security tooling, and compliance with ISSOs/ISSMs.

The position requires Top Secret/SCI with polygraph and 5+ years in security operations, plus strong communication and leadership skills.