Senior Systems Administrator, Cross Domain (R4901)

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  "last_changed_at": "2026-05-29T07:00:33.142Z",
  "active_status": "active"
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{
  "language": "en",
  "location": {
    "raw": "Washington, DC",
    "city": "Washington",
    "region": "DC",
    "country": "United States",
    "is_remote": false,
    "confidence": 0.9
  },
  "salary_max": 140000,
  "salary_min": 97000,
  "inferred_at": "2026-06-06T07:56:06.668Z",
  "launch_scope": {
    "reason": "english_us_canada",
    "included": true,
    "language": "en",
    "location": {
      "raw": "Washington, DC",
      "city": "Washington",
      "region": "DC",
      "country": "United States",
      "is_remote": false,
      "confidence": 0.9
    },
    "countries": [
      "United States"
    ]
  },
  "remote_policy": null,
  "salary_period": "year",
  "workplace_type": "on_site",
  "salary_currency": "USD"
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{}

{
  "lists": [
    {
      "text": "What you'll do:",
      "content": "<div>\n<p data-renderer-start-pos=\"1185\">Cross Domain Solutions (CDS) Operations &amp; Support:</p>\n\n<li data-renderer-start-pos=\"1239\">Administer, monitor, and maintain Cross Domain Solutions (e.g., guards, filters, data diodes, and transfer systems).</li>\n<li data-renderer-start-pos=\"1361\">Support configuration, patching, auditing, and monitoring of CDS systems.</li>\n<li data-renderer-start-pos=\"1440\">Troubleshoot CDS-related data flow issues.</li>\n<li data-renderer-start-pos=\"1488\">Coordinate with cybersecurity and engineering teams.</li>\n\n<p data-renderer-start-pos=\"1544\">Classified Systems Administration:</p>\n\n<li data-renderer-start-pos=\"1582\">Maintain classified and CUI systems ensuring availability and security.</li>\n<li data-renderer-start-pos=\"1659\">Provide technical support for engineering and integration efforts.</li>\n<li data-renderer-start-pos=\"1731\">Enforce security policies aligned with RMF and NIST standards.</li>\n\n<p data-renderer-start-pos=\"1797\">Documentation &amp; Compliance:</p>\n\n<li data-renderer-start-pos=\"1828\">Maintain accurate system documentation.</li>\n<li data-renderer-start-pos=\"1873\">Support audit readiness and compliance requirements.</li>\n\n<p data-renderer-start-pos=\"1929\">Infrastructure &amp; Deployment:</p>\n\n<li data-renderer-start-pos=\"1961\">Assist with installation of servers, network equipment, and CDS appliances.</li>\n<li data-renderer-start-pos=\"2042\">Perform system imaging and deployment.</li>\n\n<p data-renderer-start-pos=\"2084\">Planning &amp; Integration:</p>\n\n<li data-renderer-start-pos=\"2111\">Support design of classified systems and cross domain architectures.</li>\n<li data-renderer-start-pos=\"2185\">Collaborate on secure integrations across classification levels.</li>\n\n</div>"
    },
    {
      "text": "Required qualifications:",
      "content": "<div>\n\n<li data-renderer-start-pos=\"3\">3–5 years Systems Administrator experience in classified environments.</li>\n<li data-renderer-start-pos=\"79\">Experience with Cross Domain Solutions or MLS environments.</li>\n<li data-renderer-start-pos=\"144\">Linux (Ubuntu/RHEL) and Windows Server experience.</li>\n<li data-renderer-start-pos=\"200\">Familiarity with RMF and NIST 800-53.</li>\n<li data-renderer-start-pos=\"243\">Networking experience (Cisco/Juniper/Palo Alto).</li>\n<li data-renderer-start-pos=\"297\">Security+ Certification</li>\n\n</div>"
    },
    {
      "text": "Preferred qualifications:",
      "content": "<div>\n\n<li data-renderer-start-pos=\"3\">Experience with CDS tools (Radiant Mercury, Owl, Everfox, etc.)</li>\n<li data-renderer-start-pos=\"72\">Knowledge of Raise-the-Bar requirements</li>\n<li data-renderer-start-pos=\"117\">Scripting (PowerShell, Python, Bash)</li>\n<li data-renderer-start-pos=\"159\">Mixed OS environment experience</li>\n<li data-renderer-start-pos=\"196\">Bachelor’s degree or equivalent experience</li>\n\n</div>"
    }
  ],
  "country": "US",
  "createdAt": 1778025470036,
  "updatedAt": null,
  "categories": {
    "team": "Security",
    "location": "Washington, DC",
    "commitment": "Full Time Employee",
    "department": "Legal Division",
    "allLocations": [
      "Washington, DC"
    ]
  },
  "salaryRange": {
    "max": 140000,
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    "currency": "USD",
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