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Sr System Engineer Jobs (NOW HIRING)

Accelint

Senior System Engineer

San Diego, CA · On-site

$140K - $177K/yr

We are seeking a Senior Systems Engineer to support systems and system-of-systems engineering efforts across complex technical environments. This role will be responsible for architecture design ...

Accelint Holdings LLC

Senior System Engineer

San Diego, CA · On-site

$140 - $177/hr

We are seeking a Senior Systems Engineer to support systems and system-of-systems engineering efforts across complex technical environments. This role will be responsible for architecture design ...

New

GDIT

Senior System Engineer

Langley, VA

$105K - $144K/yr

Yes SYSTEMS ENGINEER SENIOR As an AF DCGS Senior Systems Engineer will be supporting Air Combat Command, providing requirement development, system integration, architecture, and sustainment support ...

Catapult Solutions Group

Senior System Engineer

Monett, MO · On-site +1

$90K - $124K/yr

Senior System/Network Engineer Department: IT Infrastructure Location: Fully Remote (must be able to work Eastern or Central time hours) Role Type: Contract - 9 months, with potential to extend to 12 ...

Belay Technologies

Senior System Engineer

Annapolis, MD · On-site

$168K - $240K/yr

Belay Technologies is seeking a Senior System Engineer to join our intel team. You should have strong networking experience and understanding of SCCM and the Nessus Manager/ACAS systems, experience ...

SI-Tec Consulting LLC

Senior System Engineer

Annapolis, MD · On-site

$103K - $141K/yr

This role is ideal for a senior systems engineer with software development expertise, cloud architecture exposure, and the ability to evaluate current applications, document modernization plans, and ...

Themis Insight

Sr. System Engineer

Laurel, MD · On-site

$140 - $190/hr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

Power3 Solutions

Sr. System Engineer

Laurel, MD · On-site

$103K - $141K/yr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

SITEC Consulting

Senior System Engineer

Annapolis Junction, MD · On-site

$106K - $146K/yr

This role is ideal for a senior systems engineer with software development expertise, cloud architecture exposure, and the ability to evaluate current applications, document modernization plans, and ...

Themis Insight, LLC.

Sr. System Engineer

Laurel, MD · On-site

$120 - $180/hr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

Themis Insight

Sr. System Engineer

Laurel, MD · On-site

$103K - $141K/yr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

Power3

Sr. System Engineer

Laurel, MD · On-site

$120 - $180/hr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subjectto change based on central MD client's needs. Analyzes user's requirements, concept of operations documents ...

Themis Insight

Sr. System Engineer

Laurel, MD · On-site

$103K - $141K/yr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

Power3 Solutions

Sr. System Engineer

Laurel, MD · On-site +1

$103K - $141K/yr

We are hiring a Sr. System Engineer to work in Laurel, MD . Position location is subject to change based on central MD client's needs. Required: TS/SCI with a Polygraph Analyzes user's requirements ...

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Sr System Engineer information

See salary details

$56K

$124.7K

$176K

How much do sr system engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for sr system engineer in the United States is $124,732.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,000.00 per year, depending on experience, location, and employer.

What is a Sr system engineer?

Sr System Engineers, or Senior System Engineers, are experienced professionals responsible for designing, implementing, managing, and maintaining complex IT systems and infrastructure. They oversee system performance, troubleshoot issues, and ensure the reliability and security of hardware and software systems within an organization. Sr System Engineers also lead technical projects, mentor junior staff, and collaborate with other departments to align IT solutions with business needs. Their expertise helps organizations operate efficiently and securely in a technology-driven environment.

What are some typical challenges a Sr system engineer faces when managing complex IT infrastructures?

Sr System Engineers often encounter challenges such as integrating legacy systems with new technologies, ensuring system security and compliance, and maintaining high availability across distributed environments. They must also troubleshoot multifaceted issues that can span hardware, software, and network components, often under tight deadlines. Collaboration with cross-functional teams like network administrators, developers, and security specialists is essential to resolve these issues efficiently and to implement scalable solutions.

What are the key skills and qualifications needed to thrive as a Sr system engineer, and why are they important?

To thrive as a Sr System Engineer, you need deep expertise in systems architecture, troubleshooting, and infrastructure management, typically supported by a relevant bachelor’s degree and several years of experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), and certifications such as CompTIA, Microsoft, or Cisco are often expected. Strong problem-solving, communication, and project management skills set exceptional candidates apart. These abilities ensure reliable system performance, seamless integration, and effective collaboration across technical teams.

What is the difference between Sr System Engineer vs System Administrator?

AspectSr System EngineerSystem Administrator
CredentialsBachelor's degree in CS or related, certifications like Cisco, Microsoft, or VMwareTypically similar certifications, often focused on specific systems or networks
Work EnvironmentDesigns, implements, and manages complex systems, often involved in planning and architectureMaintains, supports, and troubleshoots existing systems and networks
Industry UsageUsed across IT, tech, finance, healthcare for advanced system rolesCommon in organizations for daily system and network support

While both roles require technical expertise and certifications, Sr System Engineers focus on designing and implementing complex systems, whereas System Administrators primarily handle ongoing maintenance and support. The roles often overlap but differ in scope and responsibilities.

What cities are hiring for Sr System Engineer jobs?

Cities with the most Sr System Engineer job openings:

What states have the most Sr System Engineer jobs?

States with the most job openings for Sr System Engineer jobs include:

Sr System Engineer jobs near you
Infographic showing various Sr System Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $124,732 per year, or $60 per hour.

Senior System Engineer

Accelint

San Diego, CA • On-site

$140K - $177K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 24 days ago

Job description

Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse teams under one mission, with each contributing deep expertise within their domain. Combining differentiated hardware, software and mission expertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed, precision and confidence in contested environments.
Lyntris supports U.S. and allied defense organizations across every branch - including Navy, Army, Air Force, Space Force and allied partners - spanning strategic, operational and tactical missions and every domain: Space, Air, Land, Sea and Cyber. With more than 200 active defense programs, Lyntris works at every level of the mission, from national command authority to the tactical edge.
Solutions are designed by operators who understand the mission, engineered for the conditions that degrade or defeat standard systems, and built on an open, modular architecture that integrates into existing programs without requiring them to start over. Lyntris moves faster than the traditional defense cycle - with integrated design, build and test capabilities in-house - and delivers systems that sustain and endure long after initial fielding.
We are seeking a Senior Systems Engineer to support systems and system-of-systems engineering efforts across complex technical environments. This role will be responsible for architecture design, integration, testing, implementation, certification activities, and technical analysis in support of mission and business objectives.
The ideal candidate is analytical, detail-oriented, and capable of working both independently and collaboratively in a fast-paced environment. This position requires strong problem-solving abilities, technical documentation experience, and the ability to interpret data and translate findings into actionable recommendations.
Job Description
  • Senior System Engineer
  • Full time
  • Remote / Hybrid

This position requires active U.S. national security clearance and the ability to obtain one. To learn more about the security clearance process please access this link.
Duties and Responsibilities
  • Conduct systems and system-of-systems architecture design, integration, implementation, testing, review, and certification activities.
  • Perform technical requirements definition and allocation across multiple systems and stakeholders.
  • Conduct data analysis, interpret findings, and summarize results to support operational and technical decision-making.
  • Develop and maintain technical documentation, including test plans, procedures, reports, and supporting materials.
  • Analyze data from multiple disparate sources to identify trends, draw conclusions, and address business or operational challenges.
  • Support cross-functional teams in the execution of engineering and technical initiatives.
  • Apply analytical and critical thinking skills to solve complex technical problems.
  • Support administration, configuration, and troubleshooting activities across multiple operating systems and virtualized environments.
  • Perform all functional duties independently with minimal oversight while contributing effectively within a team environment.

Required Qualifications
  • Currently holds an active U.S. national security clearance or be able to receive and maintain one. To learn more about the security clearance process please access this link.
  • Minimum of 10 years of relevant systems engineering or technical integration experience.
  • Strong analytical, critical thinking, and data analysis skills.
  • Excellent verbal and written communication skills.
  • Proficiency with Microsoft Office applications including Word, Excel, PowerPoint, and Outlook.
  • Ability to quickly learn and apply technical concepts to assigned responsibilities.
  • Experience working with and analyzing data from multiple sources to support business or technical objectives.
  • Ability to work independently as well as collaboratively within a team environment.

Preferred Qualifications
  • Bachelor's degree in Engineering, Computer Science, Information Systems, Information Technology, Operations Research, Mathematics, Physics, Business Administration, or a related field.
  • Experience as a systems administrator supporting various operating systems.
  • Experience with VMware and virtualized environments.
  • Experience handling or supporting COMSEC-related processes and equipment.
  • Experience supporting systems engineering, integration, testing, or certification activities in complex technical environments.
  • Experience supporting government, defense, or large-scale enterprise programs is a plus.

Preferred Experience With
  • Time Critical Object Manager (TCOM)
  • Water Space Management (WSM)
  • Interoperable C4I Services (ICS)
  • Human Machine Interface (HMI) Multiple Link Interface Unit (MLIU)
  • Informix
  • Joint Network Design Aid (JNDA)
  • GPS technologies and integration
  • Secure-Wide Area Network (S-WAN)

Clearance Requirements
Some positions will require access to U.S. National Security information. Positions that require this access will be required to receive and maintain a U.S. government personnel security clearance (PCL). In order to qualify for this position, the candidate must be a US Citizen and either currently possess this National Security eligibility or be able to complete the investigation application process with a favorable determination and maintain that eligibility throughout their employment. To learn more about the security clearance process please access this link.
EEOC & Know Your Rights
Lyntris companies are Equal Opportunity Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, status as a protected veteran or any other status protected by applicable federal, state, and local law. We ensure that all employment decisions, including hiring, promotion, compensation, and other terms and conditions of employment, are based on merit, qualifications, and business needs. For more information about your rights, please review the "Know Your Rights" poster from the Equal Employment Opportunity Commission (EEOC). Know your Rights: English Spanish
Pay Scales & Benefits
The listed pay scale reflects the broad, minimum to maximum, pay scale for this position for the location for which it has been posted and is not a guarantee of compensation or salary. Other compensation considerations may include, but are not limited to, job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, or other applicable factors.
Benefits include...
  • Paid Time Off
  • Paid Company Holidays
  • Medical, Dental & Vision Insurance
  • Optional HSA and FSA
  • Base and Voluntary Life Insurance
  • Short Term & Long-Term Disability Insurance
  • 401k Matching
  • Employee Assistance Program

The pay range for this role is:
140,000 - 177,442 USD per year (San Diego, CA (FSI))

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