Senior System Administrator - Network Security
Suitland, Prince George's County, Maryland, 20746, USA
Listed on 2026-01-15
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IT/Tech
Cybersecurity, Systems Administrator, IT Support, Network Security
Senior System Administrator - Network Security
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St. George Tanaq Corporation provided pay rangeThis range is provided by St. George Tanaq Corporation. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range$/yr - $/yr
WFH Flexible - Suitland, MD ()
Job Type: Full-time
Description OverviewTanaq Technical Services (TTS), a division of St. George Tanaq (SGT)
Corporation, is an 8(a) Alaskan Native Small Business that specializes in delivering Enterprise Integrated Technology Solutions and Support Services to the Federal Government. TTS's innovative approach combines proactive strategies, efficient processes, and emerging technologies to deliver seamless, integrated services for our clients. TTS prides itself in being Mission Driven, People Focused. To learn more about us, visit
The Role
We are seeking a Senior System Administrator - Network Security to support our federal government customer. The Senior Security Administrator will be the Security Team lead and provide security services and support for the government customers' network, as well as policy compliance support for the Division.
This is a hybrid remote position based in Suitland, Maryland, that will require some onsite work at the customer's location. This position is contingent on contract award.
Responsibilities- Creating or updating security infrastructure
- Continually monitoring networks for unauthorized access or suspicious activities.
- Work with company staff members to help them stay connected and keep their work devices secure while they are online.
- Design and operate a training program, Service Level Agreements (SLA's), and Standard Operating Procedures which helps employees understand cybersecurity measures and best practice
- Install new software releases, system upgrades, evaluates and installs patches and resolves software related problems.
- Perform system backups and recovery.
- Maintain data files and monitors system configuration to ensure data integrity.
- Rely on experience and judgment to plan and accomplish goals.
- Provide IT Security support to the Information System Security Officer (ISSO) and System Owner (SO) working closely with System Administrators and other security staff within the USCB.
- Support ISSO with continuous monitoring and risk-profiling activities.
- Create and package evidence and artifacts for TCO-managed components for OIS review.
- Design, install, configure, maintain, administer policy and services, monitor, document, manage, and perform reviews and problem resolution for firewall solution based on NIST guidance and Agency Security Policy that incorporates single and/or multiple firewalls.
- Design, install, configure, maintain, administer policy and services, monitor, document, manage, and perform reviews and problem resolution for Content Filtering solutions that include Web Security Gateways and Email Security Gateways, based of NIST guidance and Agency Information Technology Security Policy.
- Design, install, configure, maintain, administer policy and services, monitor, document, manage, and perform reviews and problem resolution for Network Access Control solution that is based on the most recent version of NIST guidance 800-53 and Census Information Technology Security Policy.
- Performs a variety of IT-related tasks.
- Minimum 8 years of experience in IT security for federal agencies.
- Experience being a team lead or managing/directing others.
- Extensive knowledge of NIST 800-53, FISMA, and federal IT security standards.
- Familiarity with Remedy, Splunk and Solar Winds.
- Experience and expertise in using the Gigamon toolset.
- Proficient with standard concepts, practices, and procedures within the IT security field.
- Experience managing systems for a federal government agency.
- Experience with network security, including firewall, VPN, and IDS/IPS management.
- Ability to work collaboratively and independently.
- Excellent verbal and written communication skills.
- Ability to pass required Federal background screening/security check,…
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