Senior Systems Administrator
InstantServe LLC
Job Title
Position Overview: Responsibilities
- Administer and support cloud-native infrastructure powering FBI CJIS’s telecommunication systems, with a strong focus on AWS-hosted services, including AWS Connect, EC2, and S3.
- Perform day-to-day system administration tasks within AWS GovCloud, including provisioning, configuring, monitoring, and patching Linux-based virtual machines.
- Manage telephony workloads and services within AWS Connect, ensuring high availability, security, and performance for mission-critical communication.
- Monitor cloud system performance using CloudWatch, CloudTrail, and Splunk, diagnosing and resolving infrastructure issues to maintain 24/7 uptime.
- Implement and maintain system hardening, encryption, IAM roles, network policies (VPC, security groups), and multi-factor authentication to comply with FBI CJIS security standards.
- Utilize Infrastructure as Code (IaC) tools such as AWS CloudFormation, Ansible, or Terraform to automate infrastructure provisioning and configuration.
- Support secure data backup/recovery processes for cloud environments, aligning with federal continuity and audit requirements.
- Contribute to CI/CD pipelines and DevSecOps practices in collaboration with cloud developers.
- Participate in SAFe Agile ceremonies, including planning, stand-ups, retrospectives, and system demos.
- Serve in an on-call rotation, ensuring rapid response to service-impacting incidents in telecommunication systems.
Required Skills and Experience
- 7+ years of experience administering Linux systems, with at least 3 years of AWS cloud infrastructure experience, preferably within GovCloud or similar secure environments.
- Deep understanding of AWS Connect operations, call flow configuration, contact lens integration, and AWS Lex/Lambda integration.
- Experience implementing and managing AWS Identity and Access Management (IAM), CloudWatch, S3, EC2, and CloudFormation.
- Familiarity with networking concepts in cloud environments including VPC, routing tables, security groups, and load balancing.
- Hands-on experience automating cloud infrastructure using Ansible, Terraform, or CloudFormation.
- Knowledge of cloud security best practices, including NIST 800-53 and FedRAMP-aligned controls.
- Experience working in SAFe Agile environments using JIRA and Confluence.
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Systems Administrator in United States vacancy
- ...MANTECH seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities...Senior
MANTECH
Chantilly, Loudoun County, VA18 hours ago - ...and solutions essential for the U.S. intelligence community, the Department of Defense, and other federal agencies. As a Senior Systems Administrator, you will play a vital role in safeguarding our nation's security by maintaining and optimizing IT frameworks and...Senior
ManTech International
Augusta, GA2 days ago - ...• Minimum of four years’ experience installing, configuring, administration and managing - Storage: EMC (Unisphere, Centera, Celerra, VNX,... ...EEO guidelines.SummaryFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesSenior
- ...00k - $115kA well-established home construction and materials company in the North Dallas area is looking to bring on a Senior Systems Administrator for a full-time opportunity. This organization has been operating for decades, is publicly traded, and continues to grow...SeniorFull timeWork at office
- DescriptionSAIC is seeking a System Administrator in support of North American Aerospace Defense Command (NORAD)/United States Northern Command (USNORTHCOM) Information Technology (IT) Enterprise Services (NITES). The purpose of NITES is to enable the J6 to provide enterprise...Senior
- ...United StatesPosted: 2026-04-02Company: Addison GroupJob Title: Senior Systems AdministratorLocation: Dallas, TXSalary Range: $90K-$110... ..., Vision, 401(k)We are looking to bring on a Senior Systems Administrator to our growing team. What we need is someone who brings 6+ years...SeniorLocal area
- DescriptionPerforms high-level, day-to-day operational maintenance, support, and upgrades for complex operating systems, workstations and servers. Coordinates, directs and performs complex software installations and upgrades to operating systems and layered software packages...Senior
- ...extraordinary. Your journey starts now—protect and innovate with MANTECH!MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Augusta, GA This is an onsite position.Responsibilities include but are not limited to:Apply system’...SeniorFull timeWork at officeLocal areaRemote work
- Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver... ....Position SummaryCerebras is seeking a highly skilled Senior ERP Systems Administrator to manage, support, and optimize enterprise business applications...Senior
- We’re searching for a Senior Systems Administrator, someone who’s ready to be part of the best ranked children’s hospital in Texas, and among the best in the nation. In this position, you will maintain and administer software and hardware on major hospital systems. Consults...SeniorLocal area
- ...values and helps us develop new ideas, serve customers, enhance processes, build teams, and support ongoing growth.The Senior M365 Systems Administrator will be a key member of the IT Infrastructure team and serve as the primary owner of the company’s Microsoft 365...Senior
- ...rewarding challenges. Join our team.Barbaricum is seeking aSenior Systems Administratorto support Systems Engineering for the Maneuver,... ....• Utilize PowerShell scripting to automate system administration and deployment processes.• Maintain Windows deployment infrastructure...SeniorFor contractors3 days per week
$146k - $234k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure... ...and remediate vulnerabilities in response to IAVAs, ensuring systems remain compliant with security baselines and STIGs.Use CLI and...SeniorContract workRemote workShift work$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$103.8k - $218.1k
Job Title: Senior System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...identity solutions used across the IC.Responsibilities:As a System Administrator, you will:Build, configure, and deploy Docker containers...SeniorContract workFor contractorsWork experience placementFlexible hours$77.5k - $176k
Systems Administrator, SeniorThe Opportunity:Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supportingthe Department of Defense? We’re looking...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- Analytica is seeking a seasoned and adaptable Senior System Administrator to join our infrastructure team in supporting an innovative federal mission. In this role, you will provide high-level technical leadership, engineering expertise, and strategic vision to optimize...Senior
$61.9k - $141k
System Administrator, SeniorThe Opportunity:We are seeking an experienced senior System Administrator to join our IT team. This role is responsible for maintaining, optimizing, and securing both our on-premise and cloud infrastructure. In this role you will demonstrate...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$170k - $219k
As a Sr. Systems Administrator III, you will work as part of a collaborative and high-performing team providing hands-on expertise to deliver technical solutions within the highest levels of the federal government by designing, implementing, administering, and supporting...SeniorFull timeLocal area- ...MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our...SeniorWork at office
MANTECH
Annapolis Junction, MD18 hours ago $146.2k - $197.8k
Senior System AdministratorCompany:The Boeing CompanyBoeing Defense, Space & Security (BDS), Space Mission Systems Organization seeks an SeniorSystem Administrator to support Proprietary Programs in Seal Beach, CA.The Senior System Administrator will handle system administration...SeniorFull timeVisa sponsorshipWork visaRelocation packageFlexible hoursShift work$68.9k - $131.1k
...creating a safer, more secure world. Join us and help shape the future of aerospace and defense.What You Will Do:Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.Participate in all phases of Engineering software...SeniorTemporary workWork experience placementWork at officeRemote workFlexible hours$95k - $105k
...coaching and development opportunities Health benefits 401(k) Reporting to the Sr. Manager, Application Infrastructure, the Senior Systems Administrator is responsible for the design, implementation, operation, security, and continuous improvement of critical...SeniorImmediate startFlexible hoursShift work$95k - $135k
...Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s... ...team and help support our missionSystems Administrator 1: $68,458 - $97,566Systems Administrator... ...productivity tools.In this role, you apply mid‑ to senior‑level expertise to diagnose complex...SeniorFull timeWork experience placementLocal areaWorldwide- ...and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Senior Systems Administrator. Location: Hampton, VA. Job Summary:The Senior Systems Administrator is at the forefront of deploying and supporting...SeniorSeasonal workWork at officeLocal areaRemote work
$96.5k - $164k
...spirit of generosity. Join us for the opportunity to grow and make a difference in ways that matter to you. Role SummaryThe Senior System Administrator - End User Compute (EUC) is responsible for the engineering, administration, support, and continuous improvement of the...SeniorFull timeLocal areaRemote workWork from home3 days per week$117.2k - $206.77k
...MartinDescription:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of... ...at bay.THE WORKIn this role you will:• Serve as the senior system administrator with extensive experience supporting Windows‑based desktops...SeniorFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours$105k - $155k
...Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s... ...contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator... ...,000What you will doYou will serve as a senior technical resource responsible for administering...SeniorFull timeWork experience placementLocal areaWorldwide$68.9k - $131.1k
...leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.Senior System Administrators, based in Tucson, AZ, infrastructure Workplace Services, collaborate with many teams to support...SeniorFull timeTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$98k - $140k
...protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and... ...LinkedIn, X, Instagram, and YouTube. Job Description:The Senior Systems Administrator is responsible for the administration, support, optimization...SeniorFull timeTemporary workPart timeWorldwide
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
Related searches
- gis system administrator United States
- remote systems administrator United States
- it support administrator United States
- systems administrator United States
- systems administrator intern United States
- application system administrator United States
- system admin United States
- work from home systems administrator United States
- pos system administrator United States
- computer systems administrator United States