Senior Systems Administrator Engineer (Government)

• Administer and maintain Linux-based operating systems and virtualization platforms, such as Red Hat, CentOS, Ubuntu, VMware, KVM, QEMU/KVM, and Hyper-V.
• Support Windows server and workstation environments, including standalone systems and enterprise-wide deployments.
• Provide multi-platform support for OEM appliances and VMware-based Windows and Linux virtual appliances.
• Mentor junior and mid-level team members on installation procedures, operational best practices, and security-focused administration.
• Install, configure, operate, and maintain security and analysis tools such as Trellix, SentinelOne, Nessus, Splunk.
• Perform system patching, vulnerability remediation, and hardening activities for systems and networks.
• Deliver Tier 1 through Tier 3 technical support and collaborate with Tier 2 support teams as needed
• Produce and maintain operational and technical documentation, including OPS policies/instructions, CONOPS, SECOPS, and system build documents.
• Assist with the implementation, integration, and rollout of new IT solutions and technologies.
• Provide technical support for security compliance efforts and system accreditation processes.

Required Clearance: Top Secret/SCI with polygraph. (#ts/sci) (#polygraph)

• Bachelor’s degree and minimum 5 years of relevant experience in Security operations of systems supporting: Virtualization, Windows and Linux Computing solution engineering and architecture solutions
• Experience with on-premise, cloud and hybrid-cloud based deployments.
• US citizenship is required.
• Active federal security clearance.
• Strong written and verbal communication skills.
• Demonstrated leader with team-oriented interpersonal skills; ability to effectively interface with a broad range of people and roles., * Active Cleared Individual clearance supporting the overall business up to TS/SCI with polygraph.
• CISSP, virtual computing certifications, (DoDD 8570/ DoDD 8140).
• Experience with ITSM and/or ServiceNow.
• Comparable VMware certifications, RHCE, MS Certifications, Security Certifications IAT/IAM levels 1-3.
• Working knowledge of common operating systems (Windows, Linux, etc.) and basic endpoint security principles.
• Extensive experience in security operations and systems listed in the posting.

Our Senior Security Engineer (Government) earns between $98,100 - $220,000 yearly. 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) *Pro-rated when working less than 40 hrs/wk.

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

Weekly Hours: 40

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.