Top 965 Unix System Admin Jobs

Systems Integration Engineer (NDA-2)
Leidos —Fort Meade, MD
- $73,450 - $132,775 a year
- Full-time
- System design
- Master's degree
- High school diploma or GED
- Paid holidays
- Paid time off
System Administrator Level III
True World Group —Novi, MI
- $83,000 - $140,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Bachelor of Science
- Disability insurance
- Health insurance
Quick Apply
8d
Senior Network Engineer
Chickasaw Nation Industries —Honolulu, HI
- Full-time
- Computer Science
- 5 years
- Research
- AD&D insurance
- Disability insurance
Senior Network Engineer
Chickasaw Nation Industries —Charleston, SC
- Full-time
- Computer Science
- 5 years
- Research
- AD&D insurance
- Disability insurance
Systems Integration Engineer (NDA-2)
Leidos —Fort Meade, MD
- $73,450 - $132,775 a year
- Full-time
- System design
- Master's degree
- High school diploma or GED
- Paid holidays
- Paid time off
Network Support Specialist
LightBox Systems —Moultrie, GA
- $62,000 - $70,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- Mid-level
- 401(k)
- Paid time off
Quick Apply
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
9d
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
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
9d
CyberArk Vault Administrator
Fannie Mae —Reston, VA
- $123,000 - $161,000 a year
- Full-time
- CRM software
- System design
- Mid-level
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
9d
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
9d
Military Skillbridge Space Network Systems Engineer - TS SCI Poly
Northrop Grumman —Colorado Springs, CO
- $103,600 - $155,400 a year
- Overtime
- Military
- Mid-level
- Windows
- Paid holidays
- Disability insurance
9d
Database Administrator III - Hybrid 3x
Experis —Phoenix, AZ
- $65 an hour
- Contract
- 5 years
- DevOps
- In-person
Quick Apply
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
Systems Administrator
General Dynamics Information Technology —Springfield, VA
- $107,744 - $112,700 a year
- On call
- 5 years
- Mid-level
- SQL
- Paid holidays
- 401(k) matching
14d
Systems Administrator Intermediate – TS/SCI required
General Dynamics Information Technology —Fort Belvoir, VA
- $79,613 - $107,711 a year
- 7 years
- Analysis skills
- Travel
- Paid time off
- 401(k) matching
8d
Manager, Database Administration
Options Clearing Corporation —Chicago, IL
- $130,400 - $185,300 a year
- Full-time
- Hybrid work
- Microsoft Excel
- Computer Science
- SQL
- Health insurance
- Dental insurance
Oracle DBA
Pyramid Consulting, Inc —Draper, UT
- $45 - $50 an hour
- Urgently hiring
- Hybrid work
- Computer Science
- Mid-level
- Bachelor's degree
- Health insurance
- Dental insurance
Quick Apply
Datastax, Cassandra Architect
Sonsoft Inc —Phoenix, AZ
- Full-time
- 3 years
- Analysis skills
- Bachelor's degree
Quick Apply

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Systems Integration Engineer (NDA-2)

Leidos -
Fort Meade, MD

Apply Now

Job Details

Full-time
$73,450 - $132,775 a year

Benefits

Paid holidays
Paid time off
Parental leave
401(k) 6% Match
401(k) matching
Flexible schedule

Qualifications

Network hardware support
Data storage
Linux support
PKI
Computer hardware
Prototype creation
Cryptographic technology
Storage management (system administration)
TS/SCI with Polygraph
Linux administration

Full Job Description

Description

Leidos has a new and exciting opportunity for a System Integration Engineer in our Intel Sector. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary:

Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

We are seeking a highly motivated System Integration Engineer with proven experience in installing, configuring, developing, and integrating prototype applications for technical evaluation. The engineer will be supporting a lab environment providing support for customers developing and testing experiments.

Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus.

What Sets You Apart:

Bachelor's degree plus 5-years of relevant experience, or master’s degree plus 3-years of relevant experience or an associate’s degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered.
Degree must be in Network Engineering, Systems Engineering, Information Technology or related field.
Must possess an IAT-I certification, such as Network + CE or Security + CE.
Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering. Additionally, must have experience in network or system administration.
Strong Linux experience
Experience in systems/network administration, application administration, and/or information technology support or management.
Experience supporting hardware installation, such as servers and network infrastructure.
Experience setting up storage such as network‐attached storage.
Experience implementing security best practices to include PKI certificate generation, deployment and maintenance.
Knowledge of Unix shell scripting languages like Bash, Bourne, or C.

Security Clearance Requirement:

Candidates must possess an active TS/SCI clearance with polygraph to be considered for this role.

Desirable Skills:

Experience deploying and maintaining nginx
Familiarity with Docker and RedHat Satellite
Familiarity with cloud computing environments like AWS
Experience with Infrastructure as Code (IaC) products like Terraform, SALT and Ansible as well as system monitoring platforms like Prometheus and Grafana
Experience with SELinux and FIPS

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

CONMD

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 3, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

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