Senior Systems Administrator
Amatriot Group, LLC —Herndon, VA
- $150,000 - $180,000 a year
- Weekends as needed
- Bachelor of Science
- 3 years
- Senior level
Quick Apply
Senior Systems Administrator
PingWind —Remote
- Full-time
- Remote
- 7 years
- Azure
- System design
- AD&D insurance
- Paid holidays
Quick Apply
Senior Windows Systems Administrator
Boston College —Chestnut Hill, MA
- $78,100 - $137,900 a year
- Full-time
- Azure
- DevOps
- HIPAA
- Paid holidays
- Health insurance
Systems Administrator Senior – TS/SCI required
General Dynamics Information Technology —Fort Campbell, KY
- $76,500 - $103,500 a year
- Contract
- Azure
- Bachelor's degree
- Team management
- Paid time off
- 401(k) matching
Senior System Administrator
University Health —San Antonio, TX
- $34.25 - $58.29 an hour
- Full-time
- Computer science
- 6 years
- Computer Science
DevOps Engineer
CACI —Annapolis Junction, MD
- $103,800 - $218,100 a year
- Full-time
- Computer Science
- 5 years
- DevOps
- Health insurance
Systems Admin Senior
General Dynamics Information Technology —Anchorage, AK
- $96,569 - $130,651 a year
- Contract
- Azure
- Bachelor's degree
- Team management
- Paid time off
- 401(k) matching
DevOps Engineer
CACI —Annapolis Junction, MD
- $103,800 - $218,100 a year
- Full-time
- Computer Science
- 5 years
- DevOps
- Health insurance
CyberArk Vault Administrator
Fannie Mae —Reston, VA
- $123,000 - $161,000 a year
- Full-time
- CRM software
- System design
- Mid-level
Sr Principal Software Engineer – Architect Planner (26-261)
Northrop Grumman —Colorado Springs, CO
- $129,300 - $193,900 a year
- Overtime
- 6 years
- Computer Science
- System design
- Paid holidays
- Disability insurance
Sr Principal Linux Systems Administrator - Secret
Northrop Grumman —Boulder, CO
- $129,300 - $193,900 a year
- Overtime
- 6 years
- System design
- Master's degree
- Paid holidays
- Disability insurance
Staff Windows Systems Administrator - Top Secret
Northrop Grumman —Beale AFB, CA
- $153,600 - $230,400 a year
- Overtime
- Windows
- Master's degree
- High school diploma or GED
- Paid holidays
- Disability insurance
Cobol Developer + Platform Administrator
Robert Half —Des Moines, IA
- $100,000 - $120,000 a year
- On call
- Mid-level
- US work authorization
- Disability insurance
- Dental insurance
Quick Apply
Principal Linux/AWS Systems Administrator - Polygraph
Northrop Grumman —Morrisville, NC
- $98,900 - $148,300 a year
- Overtime
- Windows
- 3 years
- Master's degree
- Paid holidays
- Disability insurance
Principal Linux/AWS Systems Administrator - Polygraph
Northrop Grumman —Linthicum Heights, MD
- $98,900 - $148,300 a year
- Overtime
- Windows
- 3 years
- Master's degree
- Paid holidays
- Disability insurance
Principal Linux/AWS Systems Administrator - Polygraph
Northrop Grumman —Aurora, CO
- $98,900 - $148,300 a year
- Overtime
- Windows
- 3 years
- Master's degree
- Paid holidays
- Disability insurance
Senior Systems Administrator - Secret Clearance
ABBTECH Professional Resources, Inc. —Illinois
- $57 - $62 an hour
- Temporary
- Bachelor of Science
- System design
- Java
- AD&D insurance
- Paid holidays
Quick Apply
Enterprise Management Tools – Systems Engineer TS/SCI w/Poly
General Dynamics Information Technology —San Antonio, TX
- $127,500 - $172,500 a year
- Full-time
- 5 years
- Bachelor of Science
- Windows
- 401(k) matching
Full Stack Software Developer Level 3 or 4
Northrop Grumman —Aurora, CO
- $114,000 - $213,400 a year
- Overtime
- Computer Science
- Mid-level
- Java
- Paid holidays
- Disability insurance
Enterprise Management Tools – Systems Engineer TS/SCI w/Poly
General Dynamics Information Technology —San Antonio, TX
- $127,500 - $172,500 a year
- Full-time
- 5 years
- Bachelor of Science
- Windows
- 401(k) matching
7d

I want to receive the latest job alert for Senior Unix Systems Administrator

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

Senior Unix Systems Administrator jobs near

Devops Engineer jobs in Annapolis Junction, MD

Administrator jobs in Des Moines, IA

Systems Administrator jobs in Aurora, CO

Systems Administrator jobs in Beale AFB, CA

Tooling Engineer jobs in San Antonio, TX

Senior Systems Administrator jobs in Herndon, VA

Systems Administrator jobs in Linthicum Heights, MD

Full Stack Developer jobs in Aurora, CO

Systems Administrator jobs in Morrisville, NC

Systems Administrator jobs in Anchorage, AK

Senior Systems Administrator jobs in San Antonio, TX

Senior Systems Administrator jobs in Illinois

Senior Systems Administrator jobs in Remote

Devops Engineer jobs in Rhode Island

Electrical Engineer jobs in Portland, OR

Devops Engineer jobs in Martinsburg, WV

Devops Engineer jobs in Bethesda, MD

Devops Engineer jobs in Katy, TX

Mechanical Engineer jobs in Appleton, WI

Mechanical Engineer Intern jobs in Fremont, CA

Senior Systems Administrator

Amatriot Group, LLC -
Herndon, VA

Quick Apply

Job Details

Full-time
$150,000 - $180,000 a year

Qualifications

TS/SCI
Bachelor of Science
3 years
Senior level

Full Job Description

Location: Reston, VA
Security Clearance: Active TS/SCI [Required] w/ CI Poly
Job Type: Full-Time

Target Salary Range*: $150,000 - $180,000

This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary

Position Overview

Amatriot is seeking an experienced Senior Systems Administrator to support the National Programs Intelligence Systems & Application Operating Unit. The SITE III ITS Task Order effort is charged with the orchestration, sustainment, and evolution of a portfolio of mission applications and services for the Defense Intelligence Agency.

The primary work location is Riverdale, MD. Support from other customer locations in the National Capital Region is possible, but the candidate would most likely report to the Riverdale, MD location until alternate work locations can be arranged.

The candidate requires previous experience with Linux system administration for applications in a classified environment. System administration tasking will include installation, configuration, and maintenance of Linux servers, virtual servers, and application software upgrades. Some minor Windows system administration may be needed, but it will not be the primary function.

The ideal candidate will be responsible for Operations and Maintenance tasks, maintaining operational baselines, and supporting application O&M activities including patching, application monitoring, and customer support. When necessary, the candidate will troubleshoot network and application performance issues and recommend appropriate action. The candidate will work closely with project team members, product subject matter experts, end users, and software engineers to ensure applications remain operational by monitoring application performance, providing technical assistance, and consulting with users.

Additional duties include supporting database administrators, developing tools to assist in systems management, ensuring application documentation is maintained, and performing daily application backups.

Key Responsibilities

Server Administration and Management

Oversee and manage both virtual and physical servers for enterprise, regional, and local systems.
Install, configure, document, maintain, and support server environments hosting mission-critical applications and infrastructure services.
Install, configure, and maintain Linux servers, virtual servers, and application software upgrades.
Provide minor Windows system administration support as needed.

System Configuration and Software Support

Install and configure operating systems, database software, including Oracle, and application software across both physical and virtual servers.
Ensure system software is properly integrated and supports enterprise applications.
Support application software upgrades.
Develop tools to assist in the management of systems.

Operations and Maintenance Support

Perform Operations and Maintenance tasks.
Maintain operational baselines.
Support application O&M activities, including patching, application monitoring, and customer support.
Perform daily application backups.
Support database administrators.

Performance Optimization and Resource Management

Monitor and optimize system performance, including CPU, memory, disk usage, and response times.
Implement proactive measures to address potential performance bottlenecks.
Troubleshoot and resolve system issues related to resource usage.
Troubleshoot network and application performance issues and recommend appropriate action.

System Security and Compliance

Ensure systems and databases meet security standards and comply with relevant regulations.
Implement and enforce security policies.
Conduct regular vulnerability assessments.
Manage security updates and patches for operating systems and database environments.

Incident and Problem Management

Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues.
Respond to service outages.
Coordinate recovery efforts.
Ensure timely resolution of problems.
Assist in root cause analysis.
Implement corrective actions to prevent future issues.

System Maintenance and Upgrades

Plan and execute system downtime for scheduled maintenance, upgrades, and new releases.
Install and test patches and updates for operating systems and database applications, including Oracle.

Backup and Disaster Recovery

Oversee and validate regular system and database backups.
Ensure data integrity.
Support disaster recovery plans by testing restoration procedures.

Collaboration and User Support

Work with cross-functional teams and external partners to install and configure server systems.
Support system integrations with other applications.
Provide user support.
Consult with clients for complex technical problems.
Work closely with members of the project team, product subject matter experts, end users, and software engineers.

Documentation and Knowledge Management

Maintain accurate documentation of system configurations, hardware, software, and processes.
Ensure application documentation is maintained, including System Administration Guides, SOPs, Installation Procedures, and related documentation.
Provide clear reporting for troubleshooting, maintenance, and security audits.

Training and Knowledge Sharing

Train and mentor staff on server and database management best practices.
Assist in developing training materials.
Ensure operators are well-equipped to support the systems.

Cross-Platform Support

Provide support for Linux and UNIX-based server environments, with a focus on application and database performance, troubleshooting, and configurations.

Qualifications

Education

BA/BS degree with 5+ years of relevant experience; or
Master’s degree with 3+ years of experience.
An additional 4 years of experience may be considered in lieu of a degree.

Experience

Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX in classified environments.
Some Windows server administration experience would be good to have.
Hands-on experience with Oracle Database installation, maintenance, and troubleshooting.
Experience managing both virtual and physical servers.
Experience performing system monitoring.
Experience with backup management.
Experience implementing performance optimizations.

Skills

Linux system administration for applications in a classified environment.
Installation, configuration, and maintenance of Linux servers and virtual servers.
Application software upgrade support.
Network and application performance troubleshooting.
Technical assistance and consultation to users.
Server and database management.
System monitoring.
Backup management.
Performance optimization.
Documentation of system configurations, hardware, software, and processes.

Certifications

Currently valid DoD 8570 certification such as Security+ CE, CASP, CISSP, or similar security certification.

Clearance

TS/SCI with Counterintelligence Polygraph required.

Preferred Qualifications

Linux, including RHEL and CentOS, and Windows system administration certifications.
DoDIIS Messaging experience.
Familiarity with DODIIS security/builds.
Experience installing, configuring, managing, and supporting PostgreSQL and Oracle databases in a classified environment.
Experience performing system administration duties in the C2S/AWS environment.
Ability to work after hours and weekends when needed for deployments.
Solid understanding of remediating security vulnerabilities.
Experience hardening Linux systems in accordance with RMF and STIGs.
Experience with Linux-based procedures and scripting such as PL/SQL and UNIX common shell scripting, including k, c, bash, and similar shells.
Experience with DIA systems.
Knowledge of Linux, Windows, and WebLogic servers.
Knowledge of API Services, including DPaaS.
Knowledge of OpenShift4.
Knowledge of CI/CD.
Knowledge of Oracle Fusion Middleware.
Knowledge of WebLogic 12C.

Quick Apply

Refine Your Search

Senior Unix Systems Administrator jobs

I want to receive the latest job alert for Senior Unix Systems Administrator

Related Searches

Explore jobs in more locations

Position Overview

Key Responsibilities

Server Administration and Management

System Configuration and Software Support

Operations and Maintenance Support

Performance Optimization and Resource Management

System Security and Compliance

Incident and Problem Management

System Maintenance and Upgrades

Backup and Disaster Recovery

Collaboration and User Support

Documentation and Knowledge Management

Training and Knowledge Sharing

Cross-Platform Support

Qualifications

Education

Experience

Skills

Certifications

Clearance

Preferred Qualifications