Linux cert, basic Oracle DBA exposure, and experience with JSON Requirements: * U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable ...
Linux cert, basic Oracle DBA exposure, and experience with JSON Requirements: * U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable ...
RHCSA or similar Linux certification * Experience in high-availability or mission-critical environments * Familiarity with automation tools such as Ansible or Puppet * Exposure to cloud or hybrid ...
RHCSA or similar Linux certification * Experience in high-availability or mission-critical environments * Familiarity with automation tools such as Ansible or Puppet * Exposure to cloud or hybrid ...
Linux System Administrator
Annapolis Junction, MD ยท On-site
$90K - $140K/yr
RHCSA or similar Linux certification * Experience in high-availability or mission-critical environments * Familiarity with automation tools such as Ansible or Puppet * Exposure to cloud or hybrid ...
Linux System Administrator
Annapolis Junction, MD ยท On-site
$90K - $140K/yr
RHCSA or similar Linux certification * Experience in high-availability or mission-critical environments * Familiarity with automation tools such as Ansible or Puppet * Exposure to cloud or hybrid ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Admin/Test Engineer
Hanover, MD ยท On-site
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
Linux Admin/Test Engineer
Hanover, MD ยท On-site
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
CompTIA Linux + Certification * 3+ years of executing command line Linux operations * 2+ years of experience with government contracts * Network Cisco configuration experience * Windows Active ...
Linux System Administrator
Annapolis Junction, MD ยท On-site
$90K - $140K/yr
Certification Requirements:RHCSA or similar Linux certification (Desired)This position requires an active Security Clearance with appropriate Polygraph.About us:Founded in 2007, Columbia Technology ...
Quick apply
Linux System Administrator
Annapolis Junction, MD ยท On-site
$90K - $140K/yr
Certification Requirements:RHCSA or similar Linux certification (Desired)This position requires an active Security Clearance with appropriate Polygraph.About us:Founded in 2007, Columbia Technology ...
Linux Systems Administrator with Security Clearance
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Linux Systems Administrator with Security Clearance
Annapolis Junction, MD ยท On-site
$86.54 - $110.58/hr
DoD 8570-Compliant IAT Level II or III Certification, such as Security+ Certification Nice If You Have: * Experience creating Linux-based solutions for customer requirements * Experience using health ...
Senior Linux Administrator
Owings Mills, MD ยท On-site
$55 - $60/hr
Senior Linux Administrator, location is Owings Mills, MD. The start date is ASAP for this 12-month ... ITIL Foundation Certification
Quick apply
Senior Linux Administrator
Owings Mills, MD ยท On-site
$55 - $60/hr
Senior Linux Administrator, location is Owings Mills, MD. The start date is ASAP for this 12-month ... ITIL Foundation Certification
Linux Systems Administrator
Laurel, MD ยท On-site
Manage the server certificate lifecycle and support PKI certificate implementation as required. * Install, update, and maintain software packages on Linux virtual machines using manual processes and ...
New
Linux Systems Administrator
Laurel, MD ยท On-site
Manage the server certificate lifecycle and support PKI certificate implementation as required. * Install, update, and maintain software packages on Linux virtual machines using manual processes and ...
New
Linux Systems Administrator
Laurel, MD ยท On-site
$161K - $188K/yr
Manage the server certificate lifecycle and support PKI certificate implementation as required. * Install, update, and maintain software packages on Linux virtual machines using manual processes and ...
New
Quick apply
Linux Systems Administrator
Laurel, MD ยท On-site
$161K - $188K/yr
Manage the server certificate lifecycle and support PKI certificate implementation as required. * Install, update, and maintain software packages on Linux virtual machines using manual processes and ...
New
Quevera is seeking a skilled Linux System Administrator with an active TS/SCI clearance with ... Red Hat Certified System Administrator (RHCSA) certification or equivalent. * Experience supporting ...
Quick apply
Quevera is seeking a skilled Linux System Administrator with an active TS/SCI clearance with ... Red Hat Certified System Administrator (RHCSA) certification or equivalent. * Experience supporting ...
Linux System Administrator
Annapolis, MD ยท On-site
Quevera is seeking a skilled Linux System Administrator with an active TS/SCI clearance with ... Red Hat Certified System Administrator (RHCSA) certification or equivalent. * Experience supporting ...
Linux System Administrator
Annapolis, MD ยท On-site
Quevera is seeking a skilled Linux System Administrator with an active TS/SCI clearance with ... Red Hat Certified System Administrator (RHCSA) certification or equivalent. * Experience supporting ...
Linux Systems Administrator
Laurel, MD ยท On-site
Relevant certifications such as Red Hat Certified System Administrator (RHCSA). * Have working knowledge of Linux Single Sign-on (SSO) utilizing realm, adcli, sssd tying into Active Directory. * Have ...
Linux Systems Administrator
Laurel, MD ยท On-site
Relevant certifications such as Red Hat Certified System Administrator (RHCSA). * Have working knowledge of Linux Single Sign-on (SSO) utilizing realm, adcli, sssd tying into Active Directory. * Have ...
Linux Systems Administrator
Silver Spring, MD ยท On-site
$86K - $138K/yr
Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance ... Certifications: Red Hat Certified System Administrator (RHCSA), ITIL, or equivalent. Peraton ...
Linux Systems Administrator
Silver Spring, MD ยท On-site
$86K - $138K/yr
Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance ... Certifications: Red Hat Certified System Administrator (RHCSA), ITIL, or equivalent. Peraton ...
Red Hat Certified System Administrator (RHCSA) or equivalent certification * Experience in ... Linux Administration * Storage & Backup Management * Security & Compliance * System Monitoring ...
Red Hat Certified System Administrator (RHCSA) or equivalent certification * Experience in ... Linux Administration * Storage & Backup Management * Security & Compliance * System Monitoring ...
Linux Certified information
See Baltimore, MD salary details
$36.31 - $39.43
6% of jobs
$39.43 - $42.56
0% of jobs
$42.56 - $45.69
0% of jobs
$45.69 - $48.81
11% of jobs
$49.91 is the 25th percentile. Wages below this are outliers.
$48.81 - $51.94
21% of jobs
The median wage is $53.32 / hr.
$51.94 - $55.07
26% of jobs
$57.47 is the 75th percentile. Wages above this are outliers.
$55.07 - $58.19
14% of jobs
$58.19 - $61.32
7% of jobs
$61.32 - $64.45
4% of jobs
$64.45 - $67.57
4% of jobs
$67.57 - $70.70
6% of jobs
$36
$54
$70
How much do linux certified jobs pay per hour?
What is a Linux Certified professional?
What are some common challenges faced by Linux Certified professionals in a collaborative IT environment?
What is the difference between Linux Certified vs Linux System Administrator?
| Criteria | Linux Certified | Linux System Administrator |
|---|---|---|
| Certifications | Linux certifications like LPIC, CompTIA Linux+ | Often requires Linux certifications plus experience |
| Work Environment | Data centers, IT departments, server farms | Same as Linux Certified, with additional focus on system management |
| Employer & Industry Usage | Tech companies, hosting providers, enterprise IT | Same as Linux Certified, with more operational responsibilities |
| Search & Comparison Intent | Understanding certification benefits, career paths | Job roles, responsibilities, and qualifications |
Linux Certified professionals focus on obtaining certifications to validate their skills, often working in data centers and IT environments. Linux System Administrators typically have certifications plus hands-on experience managing Linux systems. Both roles are vital in tech and enterprise sectors, with overlapping environments and employer types. The main difference lies in the emphasis on certification versus practical system management responsibilities.
What are the key skills and qualifications needed to thrive as a Linux Certified professional, and why are they important?

Sr. Linux System Administrator/System Engineer
Annapolis Junction, MD โข On-site
Full-time
Dental, Vision, Life, Retirement, PTO
Re-posted 5 days ago
Job description
Description:
Columbia Technology Partners is seeking a skilled Senior Linux System Administrator / Systems Engineer to support a mission-critical, IC-wide service environment. This role is ideal for a hands-on professional with deep Linux expertise who enjoys working across infrastructure, virtualization, and automation technologies in secure, high-availability environments.
Multiple shift options are available, including day shifts, weekday evening or night shifts, or 12-hour weekend shifts (Saturday and Sunday).
You will play a critical role in maintaining and optimizing Linux-based systems, supporting enterprise infrastructure components, and ensuring system reliability and compliance across secure environments.
Key Responsibilities:
- Administer, configure, and maintain Linux systems (CentOS/RHEL) in a production environment
- Install, configure, and support JBoss / WildFly application servers
- Build, configure, and manage VMware virtual machines, ensuring optimal performance and availability
- Support system operations within a secure, mission-driven IC environment
- Assist with automation and configuration management, including use of Ansible where applicable
- Monitor system performance and troubleshoot issues across compute, storage, and network layers
- Support security compliance, authentication mechanisms, and system hardening activities
- Perform scripting and automation tasks using shell and/or Python
- Contribute to physical server administration and infrastructure support as needed
- Collaborate with cross-functional teams to maintain system stability and meet mission requirements
Qualifications:
- 10+ years of Linux administration/engineering (RHEL/CentOS) in enterprise environments
- Strong experience with JBoss/WildFly, VMware, and secure system operations
- Proficiency in scripting (Shell/Python) and troubleshooting across infrastructure stacks
- Experience supporting mission-critical systems with performance and reliability focus
- Familiarity with Ansible, storage, networking, authentication, and security compliance/hardening
- Nice to have: Linux cert, basic Oracle DBA exposure, and experience with JSON
Requirements:
- U.S. Citizenship is required for all applicants. CTP is an equal opportunity employer and abides by applicable employment laws and regulations. All applicants and employees are subject to random drug testing in accordance with Executive Order 12564. Employment is contingent upon successful completion of a security background investigation and polygraph.
- Certification Requirements:
- DOD 8570 Certification
This position requires an active Security Clearance with appropriate Polygraph.
About us:
Founded in 2007, Columbia Technology Partners is a Service-Disabled Veteran Owned Small Business with a specialization in technology and management consulting committed to solving intricate and sensitive technology issues facing corporations and federal agencies. Since its inception, CTP has been instrumental in the technical design, engineering development, operational deployment, and support of key systems. With a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation; our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations. CTP staff have worked closely with both government engineers and management to gather mission requirements, develop the architecture to deliver the needed functionality and assess tools available to meet or exceed the needs of the mission.
At Columbia Technology Partners (CTP), we are united in being the best that we can be as individuals, but our core belief is that we can be better together. Together we will take on each mission with an execution process that authentically represents who we are. Our success relies on our team values, the foundation we built around them, and the Partners we become along the way.
That's why our pay is competitive, our missions are critical, and our benefits
represent what matters most to CTP: Our People.
Salary Range Transparency
At Columbia Technology Partners we are committed to transparency and fairness in our compensation practices. We believe in creating a work environment where employees feel valued, empowered, and rewarded for their contributions.
How We Determine Salary Ranges
Our salary ranges are based on the following key factors:
- Job Role and Responsibilities: The specific duties and responsibilities associated with each role form the foundation of our compensation structure.
- Market Research and Industry Benchmarks: We conduct regular analysis of market trends and salaries across our industry, using reliable compensation data to ensure we stay competitive.
- Experience and Qualifications: An individual's experience, education, certifications, and specialized skills all contribute to determining their position within a salary range.
- Location: Salary ranges may be adjusted based on geographic cost of living, in accordance with local and national standards.
- Company Performance: Our compensation practices also take into account overall company performance and financial health, ensuring that we maintain sustainability while rewarding our team.
Really good benefits, for really GREAT people:
From our CTP Family to yours, we know how important these decisions are. Your benefits are about you, not us. Tell us what you need in order to see a future at CTP; let's get where you're going, together.
Medical: CTP offers 3 superior plans, bringing our employees both in-network and out-of-network options.
Vision + Dental: Both free to you + paid in full by CTP.
Retirement: 401k - 6% company contribution
PTO + Leave: A work life balance is extremely important to our team here at CTP, which is why our paid time off plans are so lucrative. Offering customizable leave plans to meet your needs is just one of our many perks! Jury Duty, Bereavement + Military Leave provided.
Career Growth: Up to $10,000 provided for approved career-related learning, training, education, and/or tuition.
Life and AD&D Insurance/Short-Term & Long-Term Disability: More peace of mind, at zero cost to you.
Profit Sharing Bonus: End of year cash gets added to your bottom-line.
Referral Bonus Program: Our tiered program provides an incentive with each stage of the hiring process your referral passes. Our bonuses range from $7,000-$20,000, if your referral joins the team.
Columbia Technology Partners is an Equal Opportunity Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. Our EEO policy reflects our commitment to ensure equality and promote diversity and inclusion in the workplace. Our policy applies to all employees, job candidates, contractors, stakeholders, partners, and visitors.
CTP was voted one of the top 25 best places to work in Baltimore by Baltimore Magazine!
About Columbia Technology Partners
Sourced by ZipRecruiter
Industry
Guided missile and space vehicle manufacturing
Company size
11 - 50 Employees
Headquarters location
Columbia, MD, US
Year founded
2007