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Senior Unix Engineer Jobs in Maryland (NOW HIRING)

Peraton

Software Engineer, Senior Advisor

Laurel, MD · On-site

$122K - $160K/yr

The Software Engineer develops, maintains, and enhances advanced software systems, ensuring ... Java, C, and C++. • 5+ years developing software for UNIX/Linux environments, including Red Hat ...

PD Inc

Senior Cyber Automation OS

Fort George G Meade, MD · On-site

  • Medical

  • Retirement

  • PTO

Subtask Task 1 - UNIX and Windows Administration. Analyze DISA Cybersecurity tools and processes ... Our qualified personnel--including engineers and technical managers--are capable of performing ...

Leidos

Sr. Software Developer

Gaithersburg, MD

$87K - $157K/yr

Leidos is seeking a Sr. Software Development Engineer who will be a member of a dynamic team ... RPMs, Firmware, Unix Command Line SW/HW Integration, NetApp, Hardware, Ansible Playbooks ...

Leidos

Sr. Software Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

Leidos is seeking a Sr. Software Development Engineer who will be a member of a dynamic team ... RPMs, Firmware, Unix Command Line • SW/HW Integration, NetApp, Hardware, Ansible Playbooks ...

Navtech, Inc.

Senior Java Software Engineer

Rockville, MD · On-site

$127K - $167K/yr

Senior Software Engineer Location : Rockville MD (remote until Covid-19) Duration : 6 Months CTH ... Experience with Linux/Unix or Mac OSX. * Experience with working across multiple projects and ...

Navtech, Inc.

Sr Java Software Engineer

Rockville, MD · On-site

$127K - $167K/yr

Senior Software Engineer Location : Rockville MD (remote until Jan 2022) Duration : 6 Months CTH ... Experience with Linux/Unix or Mac OSX. * Experience with working across multiple projects and ...

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Senior Unix Engineer information

What are the key skills and qualifications needed to thrive as a senior Unix engineer?

To thrive as a Senior Unix Engineer, you need deep expertise in Unix/Linux system administration, scripting, troubleshooting, and a relevant degree or equivalent experience. Familiarity with automation tools (such as Ansible or Puppet), shell scripting languages (like Bash or Perl), and certifications like RHCE or CompTIA Linux+ is highly valued. Strong problem-solving skills, effective communication, and the ability to mentor junior staff help set top performers apart in this role. These skills ensure reliable systems, smooth operations, and robust support for complex enterprise environments.

What does a senior Unix engineer do?

A Senior Unix Engineer is responsible for designing, implementing, and maintaining Unix-based systems within an organization. They handle advanced troubleshooting, system performance tuning, security configurations, and ensure the reliability and scalability of Unix infrastructure. In addition, they often mentor junior engineers, develop automation scripts, and collaborate with other IT teams to support business operations. Their expertise is crucial for managing large-scale, mission-critical environments.

What is the difference between Senior Unix Engineer vs System Administrator?

AspectSenior Unix EngineerSystem Administrator
CredentialsBachelor's in Computer Science, Unix/Linux certifications (e.g., RHCE, LPIC)Bachelor's in IT or related field, Linux/Unix certifications often preferred
Work EnvironmentDesigning, implementing, and maintaining Unix systems, often in enterprise environmentsManaging daily system operations, troubleshooting, and user support
Industry UsageTech, finance, healthcare, and large enterprisesVaries across industries, including small to large organizations
Search & Comparison IntentFocus on advanced Unix skills and system designFocus on operational support and system maintenance

The main difference is that Senior Unix Engineers focus on designing and optimizing Unix systems, while System Administrators handle daily operations and support. Both roles require similar certifications and work in related environments, but their responsibilities differ in scope and complexity.

What are some of the most common challenges faced by senior Unix engineers in a large enterprise environment?

Senior Unix Engineers in large enterprises often face challenges related to managing complex, heterogeneous server environments and ensuring high availability. Balancing routine maintenance, security patching, and system upgrades with the need to minimize downtime can be demanding. Additionally, staying up to date with evolving technologies and scripting languages, while coordinating with cross-functional teams like network, storage, and application groups, requires strong communication and problem-solving skills.

What are popular job titles related to Senior Unix Engineer jobs in Maryland?

For Senior Unix Engineer jobs in Maryland, the most frequently searched job titles are:

What job categories do people searching Senior Unix Engineer jobs in Maryland look for?

The top searched job categories for Senior Unix Engineer jobs in Maryland are:

What cities in Maryland are hiring for Senior Unix Engineer jobs?

Cities in Maryland with the most Senior Unix Engineer job openings:

Senior Unix Engineer jobs near you
Infographic showing various Senior Unix Engineer job openings in Maryland as of August 2026, with employment types broken down into 83% Full Time, 12% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior CNO Software Engineer with Security Clearance

MANTECH

Hanover, MD • On-site

$120K - $159K/yr

Other

Re-posted 25 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 244 rated software companies

Job description

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team in Hanover, MD or Aurora, CO. In this role, you will develop advanced CNO capabilities that directly support national security. You'll work in a collaborative environment focused on solving complex technical challenges in support of our customer's most critical missions. Responsibilities include but are not limited to: * Design and develop new hardware- or software-based CNO capabilities
* Manage the design, development, documentation, testing, and debugging of applications software and systems
* Apply expert knowledge of security concepts and network technologies
* Develop data queries for existing or proposed databases or data repositories
* Develop or implement algorithms to meet or exceed system performance and functional standards Minimum Qualifications: * BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experience
* Experience in Python or C/C++ programming
* Experience with troubleshooting and debugging complex systems
* Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
* Experience with networking protocols (TCP/IP) and socket-level programming
* Experience with developing CNO capabilities
* Experience with leading the development of technical CNO solutions
Preferred Qualifications: * Experience with programming in assembly languages
* Experience in software analysis or reverse engineering
* Experience with unit testing frameworks and practices
* Experience using Atlassian tools (JIRA, Confluence, Crucible)
Clearance Requirements: * Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required
Physical Requirements: * Must be able to remain in a stationary position 50% of the time

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