Top 142 Ui java/python developer, mid level ts/sci with poly required Jobs in Poolesville, Md

Cyber Systems Administrator
Peraton —Herndon, VA
- $112,000 - $179,000 a year
- 6 years
- Mid-level
- Windows
- Health savings account
- Paid holidays
Automated Tester
Flexwind —Herndon, VA
- Full-time
- Mid-level
- Office
- AWS
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Trinity Global Consulting —Chantilly, VA
- $135,000 a year
- Full-time
- Microsoft Excel
- Computer Science
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Senior System Administrator - TS/SCI w/Polygraph
General Dynamics Information Technology —Reston, VA
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- Bachelor of Science
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Cyber System Security Engineer
Lockheed Martin Corporation —Herndon, VA
- Full-time
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- Agile
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QA Automation Engineer
Accenture Federal Services —Herndon, VA
- $111,200 - $139,800 a year
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- Azure
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Splunk Engineer
Peraton —Herndon, VA
- $112,000 - $179,000 a year
- Mid-level
- Windows
- 3 years
- Health savings account
- Paid holidays
Senior Distinguished Engineer
Capital One —McLean, VA
- Email
- Computer science
- Computer Science
- 5 years
- Health insurance
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TAK Developer, Senior
Booz Allen Hamilton —McLean, VA
- $86,800 - $198,000 a year
- Full-time
- Mid-level
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- 3 years
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Weapons System Analyst, Sr.
Castalia Systems —Reston, VA
- $116,000 - $125,000 a year
- Full-time
- 8 years
- Analysis skills
- Travel
- Paid training
- Paid holidays
Quick Apply
Audio Visual Programmer (Associate, Mid-Level or Senior)
Boeing —Herndon, VA
- $92,650 - $192,050 a year
- Research
- Mid-level
- Java
- Health savings account
- Disability insurance
Ping Identity Platform Sr. Developer
Deloitte —McLean, VA
- Rotating shift
- Bachelor of Science
- JavaScript
- Product management
Senior Front-End Software Development Engineer
Vantor Services Inc. —Herndon, VA
- $137,000 - $200,200 a year
- Full-time
- Hybrid work
- Azure
- 11+ years
- Office
- 401(k) matching
- Pet insurance
Quick Apply
Full Stack Developer
Tetrad Digital Integrity LLC —Arlington, VA
- Full-time
- Bachelor of Science
- 8 years
- SQL
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6d
ServiceNow Software Designer
Leidos —Chantilly, VA
- $107,900 - $195,050 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Doctoral degree
11d
Full Stack Developer (Mid-Level)
RDR Inc —Chantilly, VA
- Full-time
- 5 years
- Mid-level
- Bachelor's degree
Quick Apply
Sr. Developer
Hathiant —Herndon, VA
- $145,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- System design
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16h
Mid Level Intelligence Analyst - Watch Officer
Govcio LLC —Bluemont, VA
- $140,000 - $145,000 a year
- Full-time
- 5 years
- Office
- Master's degree
Systems Engineer IV
Arcfield —Chantilly, VA
- $110,204.91 - $191,624.96 a year
- Full-time
- 5 years
- Bachelor of Science
- Business development
- Paid holidays
- Disability insurance

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Cyber Systems Administrator

Peraton -
Herndon, VA

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Job Details

$112,000 - $179,000 a year

Benefits

Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Paid time off
Parental leave
Employee assistance program
Vision insurance
Life insurance

Qualifications

Vulnerability scanning implementation
Linux support
Information security audit implementation
Dashboard creation
Dashboard creation support
Public Cloud
Windows
Security data analysis
IT infrastructure
Nessus
Virtualization
Splunk
Log analysis tools
Compliance documentation
DoD 8570
Systems engineering
IT control testing
Vulnerability management
Windows support
Windows Server administration
Query management
Intelligence community
Information security auditing
Linux administration
Security Testing
Vuls
Audit support
IT security monitoring

Full Job Description

About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

About The Role

Currently seeking a Cyber Systems Administrator to support an Intel Community (IC) customer in the Herndon, Virginia area.

The Systems Administrator provides mid-level operational support for enterprise information systems within classified environments. This role is execution-focused and emphasizes privileged system administration, security tool operations, log analysis, scripting, and audit evidence production. Systems Administrator IV supports ongoing Authorization to Operate (ATO) activities by maintaining system security posture, generating technical artifacts, and implementing approved security controls under the direction of Information System Security Officers (ISSOs), System Engineers, and audit leads or audit SMEs.

This position requires hands-on experience administering Windows and Linux systems, executing Splunk queries, developing operational scripts, and supporting compliance activities through accurate and timely evidence generation.

Systems Administrator responsibilities for conducting information system activities for new or existing system(s) may include, but not limited to, the following:

Perform Systems Administrator activities for Windows and Linux environments, including configuration, hardening, patching, and operational sustainment.
Maintain and operate systems requiring privileged user access, ensuring least-privilege enforcement and auditability.
Support system lifecycle activities including design changes, re-engineering efforts, upgrades, and performance tuning.
Troubleshoot complex system issues across infrastructure, applications, and security tooling.
Develop, maintain, and optimize Splunk searches, dashboards, and alerts to support, Security monitoring, audit evidence collection, and operational troubleshooting
Write and refine Search Processing Language (SPL) queries to extract, correlate, and validate log data across multiple data sources.
Ensure log sources are properly onboarded, retained, and aligned with audit and compliance requirements.
Develop and maintain scripts (e.g., PowerShell, Bash, Python, SQL) to automate data collection for audits, validate system configurations, and support continuous monitoring activities
Assist with automating evidence generation for recurring FISCAM, RMF, and internal audits.
Provide technical support to Audit SMEs and ISSOs by producing, validating, and explaining system-level artifacts required for FISCAM audits and RMF assessments.
Support documentation and validation of technical controls related to logging and monitoring, configuration management, access control, system integrity
Assist in responding to audit findings, including root cause analysis and technical remediation.
Work closely with ISSOs, ISSEs, auditors, and operations teams to ensure systems are both secure and operationally effective.
Translate technical system behavior into clear, defensible explanations for auditors and assessors.
Participate in engineering reviews, change control boards, and security assessments as needed.

Qualifications

Required Qualifications:

Bachelor's degree in an area relevant to the position and 8+ years of relevant experience; Master's degree in an area to the position and 6+ years of relevant experience; or 4+ additional years of experience in lieu of a degree.
TS/SCI with polygraph clearance adjudication or ability to obtain SCI and pass a poly
Hold active Security+, CISSP, CISA, or equivalent certifications (DoD 8570 IAM 2 equivalent)
One (1) year of experience with IC Community
Experience in systems engineering or system administration in enterprise environments.
Hands-on experience with Splunk (searches, dashboards, or administration).
Experience using scripting or query languages (PowerShell, Bash, Python, SQL).
Familiarity with RMF, ATO processes, and audit support in federal environments.
Ability to operate with privileged system access in classified environments.
Proven experience with Linux/RedHat 8 or higher, Windows Server 2019 or higher and/or Networking Appliances in Virtualized/Cloud platforms (VMSphere or AWS)
Proven experience with Oracle 19C or higher or SQL 2019 or higher database systems
Proven experience with DISA Security Technical Implementation Guide (STIG) implementation and Security Content Automation Protocol (SCAP) tool usage
Hands on experience performing Systems Security tasks including: Security Information and Event Monitoring (Splunk); Endpoint security (HBSS); Compliance and vulnerability scanning (ACAS / Nessus)
Demonstrated experience with creating and validating evidence for NIST security controls.
Experience using and maintaining records in Xacta

Desired Qualifications:

Skilled in implementing mitigation strategies and how to resolve problems, and to re-test/ re-evaluate systems
Experience with IT general controls (ITGC), Financial Information System Control Audit Manual (FISCAM), and National Institute of Standards and Technology Special Publication (NIST) 800-53v4
Experience with performing Security Control Assessment in compliance with NIST SP 800- 37, NIST SP 800-53, NIST SP 800-53A, and other NIST 800 guide series
IT audit advisory experience
Experience with effective policy, instruction, and development for Federal or DoD Information Security Programs
Experience with risk analysis and assessment determinations incorporating system/mission owner, and unique operational constraints
Possess a working knowledge of administrating servers, system and application security threats and vulnerabilities
Experience extending existing applications in areas such as security, monitoring, task automation, continuous integration, deployment, and performance optimization

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan

Details

Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

Apply Now

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